18430750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 38211264

約数和(自身を除く): 19780514

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 107, 125, 130, 214, 250, 265, 325, 530, 535, 650, 689, 1070, 1325, 1378, 1391, 1625, 2650, 2675, 2782, 3250, 3445, 5350, 5671, 6625, 6890, 6955, 11342, 13250, 13375, 13910, 17225, 26750, 28355, 34450, 34775, 56710, 69550, 73723, 86125, 141775, 147446, 172250, 173875, 283550, 347750, 368615, 708875, 737230, 1417750, 1843075, 3686150, 9215375, 18430750]

約数ペア:

[(1, 18430750), (2, 9215375), (5, 3686150), (10, 1843075), (13, 1417750), (25, 737230), (26, 708875), (50, 368615), (53, 347750), (65, 283550), (106, 173875), (107, 172250), (125, 147446), (130, 141775), (214, 86125), (250, 73723), (265, 69550), (325, 56710), (530, 34775), (535, 34450), (650, 28355), (689, 26750), (1070, 17225), (1325, 13910), (1378, 13375), (1391, 13250), (1625, 11342), (2650, 6955), (2675, 6890), (2782, 6625), (3250, 5671), (3445, 5350)]