19711670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 22092106

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 83, 85, 110, 127, 166, 170, 187, 254, 374, 415, 635, 830, 913, 935, 1270, 1397, 1411, 1826, 1870, 2159, 2794, 2822, 4318, 4565, 6985, 7055, 9130, 10541, 10795, 13970, 14110, 15521, 21082, 21590, 23749, 31042, 47498, 52705, 77605, 105410, 115951, 118745, 155210, 179197, 231902, 237490, 358394, 579755, 895985, 1159510, 1791970, 1971167, 3942334, 9855835, 19711670]

約数ペア:

[(1, 19711670), (2, 9855835), (5, 3942334), (10, 1971167), (11, 1791970), (17, 1159510), (22, 895985), (34, 579755), (55, 358394), (83, 237490), (85, 231902), (110, 179197), (127, 155210), (166, 118745), (170, 115951), (187, 105410), (254, 77605), (374, 52705), (415, 47498), (635, 31042), (830, 23749), (913, 21590), (935, 21082), (1270, 15521), (1397, 14110), (1411, 13970), (1826, 10795), (1870, 10541), (2159, 9130), (2794, 7055), (2822, 6985), (4318, 4565)]