18439070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 38041920

約数和(自身を除く): 19602850

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 67, 73, 130, 134, 145, 146, 290, 335, 365, 377, 670, 730, 754, 871, 949, 1742, 1885, 1898, 1943, 2117, 3770, 3886, 4234, 4355, 4745, 4891, 8710, 9490, 9715, 9782, 10585, 19430, 21170, 24455, 25259, 27521, 48910, 50518, 55042, 63583, 126295, 127166, 137605, 141839, 252590, 275210, 283678, 317915, 635830, 709195, 1418390, 1843907, 3687814, 9219535, 18439070]

約数ペア:

[(1, 18439070), (2, 9219535), (5, 3687814), (10, 1843907), (13, 1418390), (26, 709195), (29, 635830), (58, 317915), (65, 283678), (67, 275210), (73, 252590), (130, 141839), (134, 137605), (145, 127166), (146, 126295), (290, 63583), (335, 55042), (365, 50518), (377, 48910), (670, 27521), (730, 25259), (754, 24455), (871, 21170), (949, 19430), (1742, 10585), (1885, 9782), (1898, 9715), (1943, 9490), (2117, 8710), (3770, 4891), (3886, 4745), (4234, 4355)]