19628120

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8317}}^1$

素因数の和:8387

約数の個数: 32

約数和(自身を含む): 44917200

約数和(自身を除く): 25289080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8317, 16634, 33268, 41585, 66536, 83170, 166340, 332680, 490703, 981406, 1962812, 2453515, 3925624, 4907030, 9814060, 19628120]

約数ペア:

[(1, 19628120), (2, 9814060), (4, 4907030), (5, 3925624), (8, 2453515), (10, 1962812), (20, 981406), (40, 490703), (59, 332680), (118, 166340), (236, 83170), (295, 66536), (472, 41585), (590, 33268), (1180, 16634), (2360, 8317)]