19428928

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 56

約数和(自身を含む): 41038272

約数和(自身を除く): 21609344

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 67, 92, 134, 184, 197, 268, 368, 394, 536, 736, 788, 1072, 1472, 1541, 1576, 2144, 3082, 3152, 4288, 4531, 6164, 6304, 9062, 12328, 12608, 13199, 18124, 24656, 26398, 36248, 49312, 52796, 72496, 98624, 105592, 144992, 211184, 289984, 303577, 422368, 607154, 844736, 1214308, 2428616, 4857232, 9714464, 19428928]

約数ペア:

[(1, 19428928), (2, 9714464), (4, 4857232), (8, 2428616), (16, 1214308), (23, 844736), (32, 607154), (46, 422368), (64, 303577), (67, 289984), (92, 211184), (134, 144992), (184, 105592), (197, 98624), (268, 72496), (368, 52796), (394, 49312), (536, 36248), (736, 26398), (788, 24656), (1072, 18124), (1472, 13199), (1541, 12608), (1576, 12328), (2144, 9062), (3082, 6304), (3152, 6164), (4288, 4531)]