18970299536

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{308681}}^1$

素因数の和:308879

約数の個数: 40

約数和(自身を含む): 38582780544

約数和(自身を除く): 19612481008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 167, 184, 334, 368, 668, 1336, 2672, 3841, 7682, 15364, 30728, 61456, 308681, 617362, 1234724, 2469448, 4938896, 7099663, 14199326, 28398652, 51549727, 56797304, 103099454, 113594608, 206198908, 412397816, 824795632, 1185643721, 2371287442, 4742574884, 9485149768, 18970299536]

約数ペア:

[(1, 18970299536), (2, 9485149768), (4, 4742574884), (8, 2371287442), (16, 1185643721), (23, 824795632), (46, 412397816), (92, 206198908), (167, 113594608), (184, 103099454), (334, 56797304), (368, 51549727), (668, 28398652), (1336, 14199326), (2672, 7099663), (3841, 4938896), (7682, 2469448), (15364, 1234724), (30728, 617362), (61456, 308681)]