18021190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 21169850

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 391, 419, 506, 782, 838, 935, 1265, 1870, 1955, 2095, 2530, 3910, 4190, 4301, 4609, 7123, 8602, 9218, 9637, 14246, 19274, 21505, 23045, 35615, 43010, 46090, 48185, 71230, 78353, 96370, 106007, 156706, 163829, 212014, 327658, 391765, 530035, 783530, 819145, 1060070, 1638290, 1802119, 3604238, 9010595, 18021190]

約数ペア:

[(1, 18021190), (2, 9010595), (5, 3604238), (10, 1802119), (11, 1638290), (17, 1060070), (22, 819145), (23, 783530), (34, 530035), (46, 391765), (55, 327658), (85, 212014), (110, 163829), (115, 156706), (170, 106007), (187, 96370), (230, 78353), (253, 71230), (374, 48185), (391, 46090), (419, 43010), (506, 35615), (782, 23045), (838, 21505), (935, 19274), (1265, 14246), (1870, 9637), (1955, 9218), (2095, 8602), (2530, 7123), (3910, 4609), (4190, 4301)]