18910930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 16920878

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 155, 265, 310, 530, 1151, 1643, 2302, 3286, 5755, 8215, 11510, 16430, 35681, 61003, 71362, 122006, 178405, 305015, 356810, 610030, 1891093, 3782186, 9455465, 18910930]

約数ペア:

[(1, 18910930), (2, 9455465), (5, 3782186), (10, 1891093), (31, 610030), (53, 356810), (62, 305015), (106, 178405), (155, 122006), (265, 71362), (310, 61003), (530, 35681), (1151, 16430), (1643, 11510), (2302, 8215), (3286, 5755)]