19759770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1213}}^1$

素因数の和:1407

約数の個数: 48

約数和(自身を含む): 51701832

約数和(自身を除く): 31942062

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1213, 1629, 1810, 2426, 2715, 3258, 3639, 5430, 6065, 7278, 8145, 10917, 12130, 16290, 18195, 21834, 36390, 54585, 109170, 219553, 439106, 658659, 1097765, 1317318, 1975977, 2195530, 3293295, 3951954, 6586590, 9879885, 19759770]

約数ペア:

[(1, 19759770), (2, 9879885), (3, 6586590), (5, 3951954), (6, 3293295), (9, 2195530), (10, 1975977), (15, 1317318), (18, 1097765), (30, 658659), (45, 439106), (90, 219553), (181, 109170), (362, 54585), (543, 36390), (905, 21834), (1086, 18195), (1213, 16290), (1629, 12130), (1810, 10917), (2426, 8145), (2715, 7278), (3258, 6065), (3639, 5430)]