18604960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2$

素因数の和:99

約数の個数: 108

約数和(自身を含む): 49922082

約数和(自身を除く): 31317122

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 440, 484, 496, 605, 620, 682, 880, 961, 968, 992, 1210, 1240, 1364, 1705, 1760, 1922, 1936, 2420, 2480, 2728, 3410, 3751, 3844, 3872, 4805, 4840, 4960, 5456, 6820, 7502, 7688, 9610, 9680, 10571, 10912, 13640, 15004, 15376, 18755, 19220, 19360, 21142, 27280, 30008, 30752, 37510, 38440, 42284, 52855, 54560, 60016, 75020, 76880, 84568, 105710, 116281, 120032, 150040, 153760, 169136, 211420, 232562, 300080, 338272, 422840, 465124, 581405, 600160, 845680, 930248, 1162810, 1691360, 1860496, 2325620, 3720992, 4651240, 9302480, 18604960]

約数ペア:

[(1, 18604960), (2, 9302480), (4, 4651240), (5, 3720992), (8, 2325620), (10, 1860496), (11, 1691360), (16, 1162810), (20, 930248), (22, 845680), (31, 600160), (32, 581405), (40, 465124), (44, 422840), (55, 338272), (62, 300080), (80, 232562), (88, 211420), (110, 169136), (121, 153760), (124, 150040), (155, 120032), (160, 116281), (176, 105710), (220, 84568), (242, 76880), (248, 75020), (310, 60016), (341, 54560), (352, 52855), (440, 42284), (484, 38440), (496, 37510), (605, 30752), (620, 30008), (682, 27280), (880, 21142), (961, 19360), (968, 19220), (992, 18755), (1210, 15376), (1240, 15004), (1364, 13640), (1705, 10912), (1760, 10571), (1922, 9680), (1936, 9610), (2420, 7688), (2480, 7502), (2728, 6820), (3410, 5456), (3751, 4960), (3844, 4840), (3872, 4805)]