18904860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2693}}^1$

素因数の和:2724

約数の個数: 96

約数和(自身を含む): 63362880

約数和(自身を除く): 44458020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2693, 3510, 5386, 7020, 8079, 10772, 13465, 16158, 24237, 26930, 32316, 35009, 40395, 48474, 53860, 70018, 72711, 80790, 96948, 105027, 121185, 140036, 145422, 161580, 175045, 210054, 242370, 290844, 315081, 350090, 363555, 420108, 484740, 525135, 630162, 700180, 727110, 945243, 1050270, 1260324, 1454220, 1575405, 1890486, 2100540, 3150810, 3780972, 4726215, 6301620, 9452430, 18904860]

約数ペア:

[(1, 18904860), (2, 9452430), (3, 6301620), (4, 4726215), (5, 3780972), (6, 3150810), (9, 2100540), (10, 1890486), (12, 1575405), (13, 1454220), (15, 1260324), (18, 1050270), (20, 945243), (26, 727110), (27, 700180), (30, 630162), (36, 525135), (39, 484740), (45, 420108), (52, 363555), (54, 350090), (60, 315081), (65, 290844), (78, 242370), (90, 210054), (108, 175045), (117, 161580), (130, 145422), (135, 140036), (156, 121185), (180, 105027), (195, 96948), (234, 80790), (260, 72711), (270, 70018), (351, 53860), (390, 48474), (468, 40395), (540, 35009), (585, 32316), (702, 26930), (780, 24237), (1170, 16158), (1404, 13465), (1755, 10772), (2340, 8079), (2693, 7020), (3510, 5386)]