18010460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 41531616

約数和(自身を除く): 23521156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1307, 1378, 2614, 2756, 3445, 5228, 6535, 6890, 13070, 13780, 16991, 26140, 33982, 67964, 69271, 84955, 138542, 169910, 277084, 339820, 346355, 692710, 900523, 1385420, 1801046, 3602092, 4502615, 9005230, 18010460]

約数ペア:

[(1, 18010460), (2, 9005230), (4, 4502615), (5, 3602092), (10, 1801046), (13, 1385420), (20, 900523), (26, 692710), (52, 346355), (53, 339820), (65, 277084), (106, 169910), (130, 138542), (212, 84955), (260, 69271), (265, 67964), (530, 33982), (689, 26140), (1060, 16991), (1307, 13780), (1378, 13070), (2614, 6890), (2756, 6535), (3445, 5228)]