18655710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 46531584

約数和(自身を除く): 27875874

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 101, 131, 141, 202, 235, 262, 282, 303, 393, 470, 505, 606, 655, 705, 786, 1010, 1310, 1410, 1515, 1965, 3030, 3930, 4747, 6157, 9494, 12314, 13231, 14241, 18471, 23735, 26462, 28482, 30785, 36942, 39693, 47470, 61570, 66155, 71205, 79386, 92355, 132310, 142410, 184710, 198465, 396930, 621857, 1243714, 1865571, 3109285, 3731142, 6218570, 9327855, 18655710]

約数ペア:

[(1, 18655710), (2, 9327855), (3, 6218570), (5, 3731142), (6, 3109285), (10, 1865571), (15, 1243714), (30, 621857), (47, 396930), (94, 198465), (101, 184710), (131, 142410), (141, 132310), (202, 92355), (235, 79386), (262, 71205), (282, 66155), (303, 61570), (393, 47470), (470, 39693), (505, 36942), (606, 30785), (655, 28482), (705, 26462), (786, 23735), (1010, 18471), (1310, 14241), (1410, 13231), (1515, 12314), (1965, 9494), (3030, 6157), (3930, 4747)]