18238360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1229}}^1$

素因数の和:1300

約数の個数: 64

約数和(自身を含む): 47822400

約数和(自身を除く): 29584040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1229, 1484, 1855, 2120, 2458, 2968, 3710, 4916, 6145, 7420, 8603, 9832, 12290, 14840, 17206, 24580, 34412, 43015, 49160, 65137, 68824, 86030, 130274, 172060, 260548, 325685, 344120, 455959, 521096, 651370, 911918, 1302740, 1823836, 2279795, 2605480, 3647672, 4559590, 9119180, 18238360]

約数ペア:

[(1, 18238360), (2, 9119180), (4, 4559590), (5, 3647672), (7, 2605480), (8, 2279795), (10, 1823836), (14, 1302740), (20, 911918), (28, 651370), (35, 521096), (40, 455959), (53, 344120), (56, 325685), (70, 260548), (106, 172060), (140, 130274), (212, 86030), (265, 68824), (280, 65137), (371, 49160), (424, 43015), (530, 34412), (742, 24580), (1060, 17206), (1229, 14840), (1484, 12290), (1855, 9832), (2120, 8603), (2458, 7420), (2968, 6145), (3710, 4916)]