19115140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 29873660

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 187, 190, 209, 220, 269, 323, 340, 374, 380, 418, 538, 646, 748, 836, 935, 1045, 1076, 1292, 1345, 1615, 1870, 2090, 2690, 2959, 3230, 3553, 3740, 4180, 4573, 5111, 5380, 5918, 6460, 7106, 9146, 10222, 11836, 14212, 14795, 17765, 18292, 20444, 22865, 25555, 29590, 35530, 45730, 50303, 51110, 56221, 59180, 71060, 86887, 91460, 100606, 102220, 112442, 173774, 201212, 224884, 251515, 281105, 347548, 434435, 503030, 562210, 868870, 955757, 1006060, 1124420, 1737740, 1911514, 3823028, 4778785, 9557570, 19115140]

約数ペア:

[(1, 19115140), (2, 9557570), (4, 4778785), (5, 3823028), (10, 1911514), (11, 1737740), (17, 1124420), (19, 1006060), (20, 955757), (22, 868870), (34, 562210), (38, 503030), (44, 434435), (55, 347548), (68, 281105), (76, 251515), (85, 224884), (95, 201212), (110, 173774), (170, 112442), (187, 102220), (190, 100606), (209, 91460), (220, 86887), (269, 71060), (323, 59180), (340, 56221), (374, 51110), (380, 50303), (418, 45730), (538, 35530), (646, 29590), (748, 25555), (836, 22865), (935, 20444), (1045, 18292), (1076, 17765), (1292, 14795), (1345, 14212), (1615, 11836), (1870, 10222), (2090, 9146), (2690, 7106), (2959, 6460), (3230, 5918), (3553, 5380), (3740, 5111), (4180, 4573)]