18017220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23099}}^1$

素因数の和:23124

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 36313980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23099, 46198, 69297, 92396, 115495, 138594, 230990, 277188, 300287, 346485, 461980, 600574, 692970, 900861, 1201148, 1385940, 1501435, 1801722, 3002870, 3603444, 4504305, 6005740, 9008610, 18017220]

約数ペア:

[(1, 18017220), (2, 9008610), (3, 6005740), (4, 4504305), (5, 3603444), (6, 3002870), (10, 1801722), (12, 1501435), (13, 1385940), (15, 1201148), (20, 900861), (26, 692970), (30, 600574), (39, 461980), (52, 346485), (60, 300287), (65, 277188), (78, 230990), (130, 138594), (156, 115495), (195, 92396), (260, 69297), (390, 46198), (780, 23099)]