18732780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9461}}^1$

素因数の和:9487

約数の個数: 72

約数和(自身を含む): 61995024

約数和(自身を除く): 43262244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9461, 18922, 28383, 37844, 47305, 56766, 85149, 94610, 104071, 113532, 141915, 170298, 189220, 208142, 283830, 312213, 340596, 416284, 425745, 520355, 567660, 624426, 851490, 936639, 1040710, 1248852, 1561065, 1702980, 1873278, 2081420, 3122130, 3746556, 4683195, 6244260, 9366390, 18732780]

約数ペア:

[(1, 18732780), (2, 9366390), (3, 6244260), (4, 4683195), (5, 3746556), (6, 3122130), (9, 2081420), (10, 1873278), (11, 1702980), (12, 1561065), (15, 1248852), (18, 1040710), (20, 936639), (22, 851490), (30, 624426), (33, 567660), (36, 520355), (44, 425745), (45, 416284), (55, 340596), (60, 312213), (66, 283830), (90, 208142), (99, 189220), (110, 170298), (132, 141915), (165, 113532), (180, 104071), (198, 94610), (220, 85149), (330, 56766), (396, 47305), (495, 37844), (660, 28383), (990, 18922), (1980, 9461)]