19950488

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 18303112

約数列:

[1, 2, 4, 8, 109, 137, 167, 218, 274, 334, 436, 548, 668, 872, 1096, 1336, 14933, 18203, 22879, 29866, 36406, 45758, 59732, 72812, 91516, 119464, 145624, 183032, 2493811, 4987622, 9975244, 19950488]

約数ペア:

[(1, 19950488), (2, 9975244), (4, 4987622), (8, 2493811), (109, 183032), (137, 145624), (167, 119464), (218, 91516), (274, 72812), (334, 59732), (436, 45758), (548, 36406), (668, 29866), (872, 22879), (1096, 18203), (1336, 14933)]