18031212

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 47803392

約数和(自身を除く): 29772180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 151, 186, 214, 279, 302, 321, 372, 428, 453, 558, 604, 642, 906, 963, 1116, 1284, 1359, 1812, 1926, 2718, 3317, 3852, 4681, 5436, 6634, 9362, 9951, 13268, 14043, 16157, 18724, 19902, 28086, 29853, 32314, 39804, 42129, 48471, 56172, 59706, 64628, 84258, 96942, 119412, 145413, 168516, 193884, 290826, 500867, 581652, 1001734, 1502601, 2003468, 3005202, 4507803, 6010404, 9015606, 18031212]

約数ペア:

[(1, 18031212), (2, 9015606), (3, 6010404), (4, 4507803), (6, 3005202), (9, 2003468), (12, 1502601), (18, 1001734), (31, 581652), (36, 500867), (62, 290826), (93, 193884), (107, 168516), (124, 145413), (151, 119412), (186, 96942), (214, 84258), (279, 64628), (302, 59706), (321, 56172), (372, 48471), (428, 42129), (453, 39804), (558, 32314), (604, 29853), (642, 28086), (906, 19902), (963, 18724), (1116, 16157), (1284, 14043), (1359, 13268), (1812, 9951), (1926, 9362), (2718, 6634), (3317, 5436), (3852, 4681)]