18841160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1950

約数の個数: 64

約数和(自身を含む): 48081600

約数和(自身を除く): 29240440

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, 1907, 1976, 2470, 3814, 4940, 7628, 9535, 9880, 15256, 19070, 24791, 36233, 38140, 49582, 72466, 76280, 99164, 123955, 144932, 181165, 198328, 247910, 289864, 362330, 471029, 495820, 724660, 942058, 991640, 1449320, 1884116, 2355145, 3768232, 4710290, 9420580, 18841160]

約数ペア:

[(1, 18841160), (2, 9420580), (4, 4710290), (5, 3768232), (8, 2355145), (10, 1884116), (13, 1449320), (19, 991640), (20, 942058), (26, 724660), (38, 495820), (40, 471029), (52, 362330), (65, 289864), (76, 247910), (95, 198328), (104, 181165), (130, 144932), (152, 123955), (190, 99164), (247, 76280), (260, 72466), (380, 49582), (494, 38140), (520, 36233), (760, 24791), (988, 19070), (1235, 15256), (1907, 9880), (1976, 9535), (2470, 7628), (3814, 4940)]