18763070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 38905920

約数和(自身を除く): 20142850

約数列:

[1, 2, 5, 10, 17, 19, 34, 37, 38, 74, 85, 95, 157, 170, 185, 190, 314, 323, 370, 629, 646, 703, 785, 1258, 1406, 1570, 1615, 2669, 2983, 3145, 3230, 3515, 5338, 5809, 5966, 6290, 7030, 11618, 11951, 13345, 14915, 23902, 26690, 29045, 29830, 50711, 58090, 59755, 98753, 101422, 110371, 119510, 197506, 220742, 253555, 493765, 507110, 551855, 987530, 1103710, 1876307, 3752614, 9381535, 18763070]

約数ペア:

[(1, 18763070), (2, 9381535), (5, 3752614), (10, 1876307), (17, 1103710), (19, 987530), (34, 551855), (37, 507110), (38, 493765), (74, 253555), (85, 220742), (95, 197506), (157, 119510), (170, 110371), (185, 101422), (190, 98753), (314, 59755), (323, 58090), (370, 50711), (629, 29830), (646, 29045), (703, 26690), (785, 23902), (1258, 14915), (1406, 13345), (1570, 11951), (1615, 11618), (2669, 7030), (2983, 6290), (3145, 5966), (3230, 5809), (3515, 5338)]