19548060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 65308320

約数和(自身を除く): 45760260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 109, 122, 140, 147, 183, 196, 210, 218, 244, 245, 294, 305, 327, 366, 420, 427, 436, 490, 545, 588, 610, 654, 732, 735, 763, 854, 915, 980, 1090, 1220, 1281, 1308, 1470, 1526, 1635, 1708, 1830, 2135, 2180, 2289, 2562, 2940, 2989, 3052, 3270, 3660, 3815, 4270, 4578, 5124, 5341, 5978, 6405, 6540, 6649, 7630, 8540, 8967, 9156, 10682, 11445, 11956, 12810, 13298, 14945, 15260, 16023, 17934, 19947, 21364, 22890, 25620, 26596, 26705, 29890, 32046, 33245, 35868, 39894, 44835, 45780, 46543, 53410, 59780, 64092, 66490, 79788, 80115, 89670, 93086, 99735, 106820, 132980, 139629, 160230, 179340, 186172, 199470, 232715, 279258, 320460, 325801, 398940, 465430, 558516, 651602, 698145, 930860, 977403, 1303204, 1396290, 1629005, 1954806, 2792580, 3258010, 3909612, 4887015, 6516020, 9774030, 19548060]

約数ペア:

[(1, 19548060), (2, 9774030), (3, 6516020), (4, 4887015), (5, 3909612), (6, 3258010), (7, 2792580), (10, 1954806), (12, 1629005), (14, 1396290), (15, 1303204), (20, 977403), (21, 930860), (28, 698145), (30, 651602), (35, 558516), (42, 465430), (49, 398940), (60, 325801), (61, 320460), (70, 279258), (84, 232715), (98, 199470), (105, 186172), (109, 179340), (122, 160230), (140, 139629), (147, 132980), (183, 106820), (196, 99735), (210, 93086), (218, 89670), (244, 80115), (245, 79788), (294, 66490), (305, 64092), (327, 59780), (366, 53410), (420, 46543), (427, 45780), (436, 44835), (490, 39894), (545, 35868), (588, 33245), (610, 32046), (654, 29890), (732, 26705), (735, 26596), (763, 25620), (854, 22890), (915, 21364), (980, 19947), (1090, 17934), (1220, 16023), (1281, 15260), (1308, 14945), (1470, 13298), (1526, 12810), (1635, 11956), (1708, 11445), (1830, 10682), (2135, 9156), (2180, 8967), (2289, 8540), (2562, 7630), (2940, 6649), (2989, 6540), (3052, 6405), (3270, 5978), (3660, 5341), (3815, 5124), (4270, 4578)]