18787140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11597}}^1$

素因数の和:11618

約数の個数: 60

約数和(自身を含む): 58941036

約数和(自身を除く): 40153896

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11597, 23194, 34791, 46388, 57985, 69582, 104373, 115970, 139164, 173955, 208746, 231940, 313119, 347910, 417492, 521865, 626238, 695820, 939357, 1043730, 1252476, 1565595, 1878714, 2087460, 3131190, 3757428, 4696785, 6262380, 9393570, 18787140]

約数ペア:

[(1, 18787140), (2, 9393570), (3, 6262380), (4, 4696785), (5, 3757428), (6, 3131190), (9, 2087460), (10, 1878714), (12, 1565595), (15, 1252476), (18, 1043730), (20, 939357), (27, 695820), (30, 626238), (36, 521865), (45, 417492), (54, 347910), (60, 313119), (81, 231940), (90, 208746), (108, 173955), (135, 139164), (162, 115970), (180, 104373), (270, 69582), (324, 57985), (405, 46388), (540, 34791), (810, 23194), (1620, 11597)]