19416416

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:124

約数の個数: 72

約数和(自身を含む): 42364224

約数和(自身を除く): 22947808

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 37, 46, 62, 74, 92, 124, 148, 184, 248, 296, 368, 496, 529, 592, 713, 736, 851, 992, 1058, 1147, 1184, 1426, 1702, 2116, 2294, 2852, 3404, 4232, 4588, 5704, 6808, 8464, 9176, 11408, 13616, 16399, 16928, 18352, 19573, 22816, 26381, 27232, 32798, 36704, 39146, 52762, 65596, 78292, 105524, 131192, 156584, 211048, 262384, 313168, 422096, 524768, 606763, 626336, 844192, 1213526, 2427052, 4854104, 9708208, 19416416]

約数ペア:

[(1, 19416416), (2, 9708208), (4, 4854104), (8, 2427052), (16, 1213526), (23, 844192), (31, 626336), (32, 606763), (37, 524768), (46, 422096), (62, 313168), (74, 262384), (92, 211048), (124, 156584), (148, 131192), (184, 105524), (248, 78292), (296, 65596), (368, 52762), (496, 39146), (529, 36704), (592, 32798), (713, 27232), (736, 26381), (851, 22816), (992, 19573), (1058, 18352), (1147, 16928), (1184, 16399), (1426, 13616), (1702, 11408), (2116, 9176), (2294, 8464), (2852, 6808), (3404, 5704), (4232, 4588)]