15641788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 30643200

約数和(自身を除く): 15001412

約数列:

[1, 2, 4, 19, 29, 38, 47, 58, 76, 94, 116, 151, 188, 302, 551, 604, 893, 1102, 1363, 1786, 2204, 2726, 2869, 3572, 4379, 5452, 5738, 7097, 8758, 11476, 14194, 17516, 25897, 28388, 51794, 83201, 103588, 134843, 166402, 205813, 269686, 332804, 411626, 539372, 823252, 3910447, 7820894, 15641788]

約数ペア:

[(1, 15641788), (2, 7820894), (4, 3910447), (19, 823252), (29, 539372), (38, 411626), (47, 332804), (58, 269686), (76, 205813), (94, 166402), (116, 134843), (151, 103588), (188, 83201), (302, 51794), (551, 28388), (604, 25897), (893, 17516), (1102, 14194), (1363, 11476), (1786, 8758), (2204, 7097), (2726, 5738), (2869, 5452), (3572, 4379)]