2018012620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{189307}}^1$

素因数の和:189370

約数の個数: 48

約数和(自身を含む): 4675150368

約数和(自身を除く): 2657137748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 189307, 378614, 757228, 946535, 1893070, 2460991, 3786140, 4921982, 7761587, 9843964, 12304955, 15523174, 24609910, 31046348, 38807935, 49219820, 77615870, 100900631, 155231740, 201801262, 403602524, 504503155, 1009006310, 2018012620]

約数ペア:

[(1, 2018012620), (2, 1009006310), (4, 504503155), (5, 403602524), (10, 201801262), (13, 155231740), (20, 100900631), (26, 77615870), (41, 49219820), (52, 38807935), (65, 31046348), (82, 24609910), (130, 15523174), (164, 12304955), (205, 9843964), (260, 7761587), (410, 4921982), (533, 3786140), (820, 2460991), (1066, 1893070), (2132, 946535), (2665, 757228), (5330, 378614), (10660, 189307)]