18986044910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{569}}^1\times {\mathrm{2663}}^1$

素因数の和:3425

約数の個数: 64

約数和(自身を含む): 39359001600

約数和(自身を除く): 20372956690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 569, 895, 1138, 1253, 1790, 2506, 2663, 2845, 3983, 5326, 5690, 6265, 7966, 12530, 13315, 18641, 19915, 26630, 37282, 39830, 93205, 101851, 186410, 203702, 476677, 509255, 712957, 953354, 1018510, 1425914, 1515247, 2383385, 3030494, 3336739, 3564785, 4766770, 6673478, 7129570, 7576235, 10606729, 15152470, 16683695, 21213458, 33367390, 53033645, 106067290, 271229213, 542458426, 1356146065, 1898604491, 2712292130, 3797208982, 9493022455, 18986044910]

約数ペア:

[(1, 18986044910), (2, 9493022455), (5, 3797208982), (7, 2712292130), (10, 1898604491), (14, 1356146065), (35, 542458426), (70, 271229213), (179, 106067290), (358, 53033645), (569, 33367390), (895, 21213458), (1138, 16683695), (1253, 15152470), (1790, 10606729), (2506, 7576235), (2663, 7129570), (2845, 6673478), (3983, 4766770), (5326, 3564785), (5690, 3336739), (6265, 3030494), (7966, 2383385), (12530, 1515247), (13315, 1425914), (18641, 1018510), (19915, 953354), (26630, 712957), (37282, 509255), (39830, 476677), (93205, 203702), (101851, 186410)]