9919938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 24698880

約数和(自身を除く): 14778942

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 93, 114, 133, 186, 217, 266, 399, 401, 434, 589, 651, 798, 802, 1178, 1203, 1302, 1767, 2406, 2807, 3534, 4123, 5614, 7619, 8246, 8421, 12369, 12431, 15238, 16842, 22857, 24738, 24862, 37293, 45714, 53333, 74586, 87017, 106666, 159999, 174034, 236189, 261051, 319998, 472378, 522102, 708567, 1417134, 1653323, 3306646, 4959969, 9919938]

約数ペア:

[(1, 9919938), (2, 4959969), (3, 3306646), (6, 1653323), (7, 1417134), (14, 708567), (19, 522102), (21, 472378), (31, 319998), (38, 261051), (42, 236189), (57, 174034), (62, 159999), (93, 106666), (114, 87017), (133, 74586), (186, 53333), (217, 45714), (266, 37293), (399, 24862), (401, 24738), (434, 22857), (589, 16842), (651, 15238), (798, 12431), (802, 12369), (1178, 8421), (1203, 8246), (1302, 7619), (1767, 5614), (2406, 4123), (2807, 3534)]