19663470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5081}}^1$

素因数の和:5137

約数の個数: 48

約数和(自身を含む): 52324272

約数和(自身を除く): 32660802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5081, 10162, 15243, 25405, 30486, 45729, 50810, 76215, 91458, 152430, 218483, 228645, 436966, 457290, 655449, 1092415, 1310898, 1966347, 2184830, 3277245, 3932694, 6554490, 9831735, 19663470]

約数ペア:

[(1, 19663470), (2, 9831735), (3, 6554490), (5, 3932694), (6, 3277245), (9, 2184830), (10, 1966347), (15, 1310898), (18, 1092415), (30, 655449), (43, 457290), (45, 436966), (86, 228645), (90, 218483), (129, 152430), (215, 91458), (258, 76215), (387, 50810), (430, 45729), (645, 30486), (774, 25405), (1290, 15243), (1935, 10162), (3870, 5081)]