18478070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7481}}^1$

素因数の和:7520

約数の個数: 32

約数和(自身を含む): 37709280

約数和(自身を除く): 19231210

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7481, 14962, 37405, 74810, 97253, 142139, 194506, 284278, 486265, 710695, 972530, 1421390, 1847807, 3695614, 9239035, 18478070]

約数ペア:

[(1, 18478070), (2, 9239035), (5, 3695614), (10, 1847807), (13, 1421390), (19, 972530), (26, 710695), (38, 486265), (65, 284278), (95, 194506), (130, 142139), (190, 97253), (247, 74810), (494, 37405), (1235, 14962), (2470, 7481)]