19310580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1597

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 40129164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1511, 2130, 2556, 3022, 3195, 4260, 4533, 6044, 6390, 7555, 9066, 12780, 13599, 15110, 18132, 22665, 27198, 30220, 45330, 54396, 67995, 90660, 107281, 135990, 214562, 271980, 321843, 429124, 536405, 643686, 965529, 1072810, 1287372, 1609215, 1931058, 2145620, 3218430, 3862116, 4827645, 6436860, 9655290, 19310580]

約数ペア:

[(1, 19310580), (2, 9655290), (3, 6436860), (4, 4827645), (5, 3862116), (6, 3218430), (9, 2145620), (10, 1931058), (12, 1609215), (15, 1287372), (18, 1072810), (20, 965529), (30, 643686), (36, 536405), (45, 429124), (60, 321843), (71, 271980), (90, 214562), (142, 135990), (180, 107281), (213, 90660), (284, 67995), (355, 54396), (426, 45330), (639, 30220), (710, 27198), (852, 22665), (1065, 18132), (1278, 15110), (1420, 13599), (1511, 12780), (2130, 9066), (2556, 7555), (3022, 6390), (3195, 6044), (4260, 4533)]