19010040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 68700960

約数和(自身を除く): 49690920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 53, 56, 60, 61, 70, 84, 98, 105, 106, 120, 122, 140, 147, 159, 168, 183, 196, 210, 212, 244, 245, 265, 280, 294, 305, 318, 366, 371, 392, 420, 424, 427, 488, 490, 530, 588, 610, 636, 732, 735, 742, 795, 840, 854, 915, 980, 1060, 1113, 1176, 1220, 1272, 1281, 1464, 1470, 1484, 1590, 1708, 1830, 1855, 1960, 2120, 2135, 2226, 2440, 2562, 2597, 2940, 2968, 2989, 3180, 3233, 3416, 3660, 3710, 4270, 4452, 5124, 5194, 5565, 5880, 5978, 6360, 6405, 6466, 7320, 7420, 7791, 8540, 8904, 8967, 9699, 10248, 10388, 11130, 11956, 12810, 12932, 12985, 14840, 14945, 15582, 16165, 17080, 17934, 19398, 20776, 22260, 22631, 23912, 25620, 25864, 25970, 29890, 31164, 32330, 35868, 38796, 38955, 44520, 44835, 45262, 48495, 51240, 51940, 59780, 62328, 64660, 67893, 71736, 77592, 77910, 89670, 90524, 96990, 103880, 113155, 119560, 129320, 135786, 155820, 158417, 179340, 181048, 193980, 226310, 271572, 311640, 316834, 339465, 358680, 387960, 452620, 475251, 543144, 633668, 678930, 792085, 905240, 950502, 1267336, 1357860, 1584170, 1901004, 2376255, 2715720, 3168340, 3802008, 4752510, 6336680, 9505020, 19010040]

約数ペア:

[(1, 19010040), (2, 9505020), (3, 6336680), (4, 4752510), (5, 3802008), (6, 3168340), (7, 2715720), (8, 2376255), (10, 1901004), (12, 1584170), (14, 1357860), (15, 1267336), (20, 950502), (21, 905240), (24, 792085), (28, 678930), (30, 633668), (35, 543144), (40, 475251), (42, 452620), (49, 387960), (53, 358680), (56, 339465), (60, 316834), (61, 311640), (70, 271572), (84, 226310), (98, 193980), (105, 181048), (106, 179340), (120, 158417), (122, 155820), (140, 135786), (147, 129320), (159, 119560), (168, 113155), (183, 103880), (196, 96990), (210, 90524), (212, 89670), (244, 77910), (245, 77592), (265, 71736), (280, 67893), (294, 64660), (305, 62328), (318, 59780), (366, 51940), (371, 51240), (392, 48495), (420, 45262), (424, 44835), (427, 44520), (488, 38955), (490, 38796), (530, 35868), (588, 32330), (610, 31164), (636, 29890), (732, 25970), (735, 25864), (742, 25620), (795, 23912), (840, 22631), (854, 22260), (915, 20776), (980, 19398), (1060, 17934), (1113, 17080), (1176, 16165), (1220, 15582), (1272, 14945), (1281, 14840), (1464, 12985), (1470, 12932), (1484, 12810), (1590, 11956), (1708, 11130), (1830, 10388), (1855, 10248), (1960, 9699), (2120, 8967), (2135, 8904), (2226, 8540), (2440, 7791), (2562, 7420), (2597, 7320), (2940, 6466), (2968, 6405), (2989, 6360), (3180, 5978), (3233, 5880), (3416, 5565), (3660, 5194), (3710, 5124), (4270, 4452)]