18079620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1783}}^1$

素因数の和:1821

約数の個数: 72

約数和(自身を含む): 54847296

約数和(自身を除く): 36767676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1783, 2028, 2535, 3380, 3566, 5070, 5349, 7132, 8915, 10140, 10698, 17830, 21396, 23179, 26745, 35660, 46358, 53490, 69537, 92716, 106980, 115895, 139074, 231790, 278148, 301327, 347685, 463580, 602654, 695370, 903981, 1205308, 1390740, 1506635, 1807962, 3013270, 3615924, 4519905, 6026540, 9039810, 18079620]

約数ペア:

[(1, 18079620), (2, 9039810), (3, 6026540), (4, 4519905), (5, 3615924), (6, 3013270), (10, 1807962), (12, 1506635), (13, 1390740), (15, 1205308), (20, 903981), (26, 695370), (30, 602654), (39, 463580), (52, 347685), (60, 301327), (65, 278148), (78, 231790), (130, 139074), (156, 115895), (169, 106980), (195, 92716), (260, 69537), (338, 53490), (390, 46358), (507, 35660), (676, 26745), (780, 23179), (845, 21396), (1014, 17830), (1690, 10698), (1783, 10140), (2028, 8915), (2535, 7132), (3380, 5349), (3566, 5070)]