18689460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 56391552

約数和(自身を除く): 37702092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 73, 85, 102, 146, 170, 204, 219, 251, 255, 292, 340, 365, 438, 502, 510, 730, 753, 876, 1004, 1020, 1095, 1241, 1255, 1460, 1506, 2190, 2482, 2510, 3012, 3723, 3765, 4267, 4380, 4964, 5020, 6205, 7446, 7530, 8534, 12410, 12801, 14892, 15060, 17068, 18323, 18615, 21335, 24820, 25602, 36646, 37230, 42670, 51204, 54969, 64005, 73292, 74460, 85340, 91615, 109938, 128010, 183230, 219876, 256020, 274845, 311491, 366460, 549690, 622982, 934473, 1099380, 1245964, 1557455, 1868946, 3114910, 3737892, 4672365, 6229820, 9344730, 18689460]

約数ペア:

[(1, 18689460), (2, 9344730), (3, 6229820), (4, 4672365), (5, 3737892), (6, 3114910), (10, 1868946), (12, 1557455), (15, 1245964), (17, 1099380), (20, 934473), (30, 622982), (34, 549690), (51, 366460), (60, 311491), (68, 274845), (73, 256020), (85, 219876), (102, 183230), (146, 128010), (170, 109938), (204, 91615), (219, 85340), (251, 74460), (255, 73292), (292, 64005), (340, 54969), (365, 51204), (438, 42670), (502, 37230), (510, 36646), (730, 25602), (753, 24820), (876, 21335), (1004, 18615), (1020, 18323), (1095, 17068), (1241, 15060), (1255, 14892), (1460, 12801), (1506, 12410), (2190, 8534), (2482, 7530), (2510, 7446), (3012, 6205), (3723, 5020), (3765, 4964), (4267, 4380)]