18503940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3389}}^1$

素因数の和:3421

約数の個数: 96

約数和(自身を含む): 63786240

約数和(自身を除く): 45282300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3389, 5460, 6778, 10167, 13556, 16945, 20334, 23723, 33890, 40668, 44057, 47446, 50835, 67780, 71169, 88114, 94892, 101670, 118615, 132171, 142338, 176228, 203340, 220285, 237230, 264342, 284676, 308399, 355845, 440570, 474460, 528684, 616798, 660855, 711690, 881140, 925197, 1233596, 1321710, 1423380, 1541995, 1850394, 2643420, 3083990, 3700788, 4625985, 6167980, 9251970, 18503940]

約数ペア:

[(1, 18503940), (2, 9251970), (3, 6167980), (4, 4625985), (5, 3700788), (6, 3083990), (7, 2643420), (10, 1850394), (12, 1541995), (13, 1423380), (14, 1321710), (15, 1233596), (20, 925197), (21, 881140), (26, 711690), (28, 660855), (30, 616798), (35, 528684), (39, 474460), (42, 440570), (52, 355845), (60, 308399), (65, 284676), (70, 264342), (78, 237230), (84, 220285), (91, 203340), (105, 176228), (130, 142338), (140, 132171), (156, 118615), (182, 101670), (195, 94892), (210, 88114), (260, 71169), (273, 67780), (364, 50835), (390, 47446), (420, 44057), (455, 40668), (546, 33890), (780, 23723), (910, 20334), (1092, 16945), (1365, 13556), (1820, 10167), (2730, 6778), (3389, 5460)]