19406940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 48330660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 41, 42, 46, 49, 60, 69, 70, 82, 84, 92, 98, 105, 115, 123, 138, 140, 147, 161, 164, 196, 205, 210, 230, 245, 246, 276, 287, 294, 322, 343, 345, 410, 420, 460, 483, 490, 492, 574, 588, 615, 644, 686, 690, 735, 805, 820, 861, 943, 966, 980, 1029, 1127, 1148, 1230, 1372, 1380, 1435, 1470, 1610, 1715, 1722, 1886, 1932, 2009, 2058, 2254, 2415, 2460, 2829, 2870, 2940, 3220, 3381, 3430, 3444, 3772, 4018, 4116, 4305, 4508, 4715, 4830, 5145, 5635, 5658, 5740, 6027, 6601, 6762, 6860, 7889, 8036, 8610, 9430, 9660, 10045, 10290, 11270, 11316, 12054, 13202, 13524, 14063, 14145, 15778, 16905, 17220, 18860, 19803, 20090, 20580, 22540, 23667, 24108, 26404, 28126, 28290, 30135, 31556, 33005, 33810, 39445, 39606, 40180, 42189, 46207, 47334, 56252, 56580, 60270, 66010, 67620, 70315, 78890, 79212, 84378, 92414, 94668, 99015, 118335, 120540, 132020, 138621, 140630, 157780, 168756, 184828, 198030, 210945, 231035, 236670, 277242, 281260, 323449, 396060, 421890, 462070, 473340, 554484, 646898, 693105, 843780, 924140, 970347, 1293796, 1386210, 1617245, 1940694, 2772420, 3234490, 3881388, 4851735, 6468980, 9703470, 19406940]

約数ペア:

[(1, 19406940), (2, 9703470), (3, 6468980), (4, 4851735), (5, 3881388), (6, 3234490), (7, 2772420), (10, 1940694), (12, 1617245), (14, 1386210), (15, 1293796), (20, 970347), (21, 924140), (23, 843780), (28, 693105), (30, 646898), (35, 554484), (41, 473340), (42, 462070), (46, 421890), (49, 396060), (60, 323449), (69, 281260), (70, 277242), (82, 236670), (84, 231035), (92, 210945), (98, 198030), (105, 184828), (115, 168756), (123, 157780), (138, 140630), (140, 138621), (147, 132020), (161, 120540), (164, 118335), (196, 99015), (205, 94668), (210, 92414), (230, 84378), (245, 79212), (246, 78890), (276, 70315), (287, 67620), (294, 66010), (322, 60270), (343, 56580), (345, 56252), (410, 47334), (420, 46207), (460, 42189), (483, 40180), (490, 39606), (492, 39445), (574, 33810), (588, 33005), (615, 31556), (644, 30135), (686, 28290), (690, 28126), (735, 26404), (805, 24108), (820, 23667), (861, 22540), (943, 20580), (966, 20090), (980, 19803), (1029, 18860), (1127, 17220), (1148, 16905), (1230, 15778), (1372, 14145), (1380, 14063), (1435, 13524), (1470, 13202), (1610, 12054), (1715, 11316), (1722, 11270), (1886, 10290), (1932, 10045), (2009, 9660), (2058, 9430), (2254, 8610), (2415, 8036), (2460, 7889), (2829, 6860), (2870, 6762), (2940, 6601), (3220, 6027), (3381, 5740), (3430, 5658), (3444, 5635), (3772, 5145), (4018, 4830), (4116, 4715), (4305, 4508)]