19125040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 49211136

約数和(自身を除く): 30086096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 211, 220, 412, 422, 440, 515, 824, 844, 880, 1030, 1055, 1133, 1648, 1688, 2060, 2110, 2266, 2321, 3376, 4120, 4220, 4532, 4642, 5665, 8240, 8440, 9064, 9284, 11330, 11605, 16880, 18128, 18568, 21733, 22660, 23210, 37136, 43466, 45320, 46420, 86932, 90640, 92840, 108665, 173864, 185680, 217330, 239063, 347728, 434660, 478126, 869320, 956252, 1195315, 1738640, 1912504, 2390630, 3825008, 4781260, 9562520, 19125040]

約数ペア:

[(1, 19125040), (2, 9562520), (4, 4781260), (5, 3825008), (8, 2390630), (10, 1912504), (11, 1738640), (16, 1195315), (20, 956252), (22, 869320), (40, 478126), (44, 434660), (55, 347728), (80, 239063), (88, 217330), (103, 185680), (110, 173864), (176, 108665), (206, 92840), (211, 90640), (220, 86932), (412, 46420), (422, 45320), (440, 43466), (515, 37136), (824, 23210), (844, 22660), (880, 21733), (1030, 18568), (1055, 18128), (1133, 16880), (1648, 11605), (1688, 11330), (2060, 9284), (2110, 9064), (2266, 8440), (2321, 8240), (3376, 5665), (4120, 4642), (4220, 4532)]