18407220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23599}}^1$

素因数の和:23624

約数の個数: 48

約数和(自身を含む): 55507200

約数和(自身を除く): 37099980

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, 23599, 47198, 70797, 94396, 117995, 141594, 235990, 283188, 306787, 353985, 471980, 613574, 707970, 920361, 1227148, 1415940, 1533935, 1840722, 3067870, 3681444, 4601805, 6135740, 9203610, 18407220]

約数ペア:

[(1, 18407220), (2, 9203610), (3, 6135740), (4, 4601805), (5, 3681444), (6, 3067870), (10, 1840722), (12, 1533935), (13, 1415940), (15, 1227148), (20, 920361), (26, 707970), (30, 613574), (39, 471980), (52, 353985), (60, 306787), (65, 283188), (78, 235990), (130, 141594), (156, 117995), (195, 94396), (260, 70797), (390, 47198), (780, 23599)]