18412200040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1863583}}^1$

素因数の和:1863626

約数の個数: 64

約数和(自身を含む): 46962316800

約数和(自身を除く): 28550116760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 1863583, 3727166, 7454332, 9317915, 14908664, 18635830, 24226579, 35408077, 37271660, 48453158, 70816154, 74543320, 96906316, 121132895, 141632308, 177040385, 193812632, 242265790, 283264616, 354080770, 460305001, 484531580, 708161540, 920610002, 969063160, 1416323080, 1841220004, 2301525005, 3682440008, 4603050010, 9206100020, 18412200040]

約数ペア:

[(1, 18412200040), (2, 9206100020), (4, 4603050010), (5, 3682440008), (8, 2301525005), (10, 1841220004), (13, 1416323080), (19, 969063160), (20, 920610002), (26, 708161540), (38, 484531580), (40, 460305001), (52, 354080770), (65, 283264616), (76, 242265790), (95, 193812632), (104, 177040385), (130, 141632308), (152, 121132895), (190, 96906316), (247, 74543320), (260, 70816154), (380, 48453158), (494, 37271660), (520, 35408077), (760, 24226579), (988, 18635830), (1235, 14908664), (1976, 9317915), (2470, 7454332), (4940, 3727166), (9880, 1863583)]