19870293618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{641}}^1\times {\mathrm{709}}^1$

素因数の和:1712

約数の個数: 96

約数和(自身を含む): 49491112320

約数和(自身を除く): 29620818702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 347, 641, 694, 709, 1041, 1282, 1418, 1923, 2082, 2127, 2429, 3123, 3846, 4254, 4487, 4858, 4963, 5769, 6246, 6381, 7287, 8974, 9926, 11538, 12762, 13461, 14574, 14889, 21861, 26922, 29778, 40383, 43722, 44667, 80766, 89334, 222427, 246023, 444854, 454469, 492046, 667281, 738069, 908938, 1334562, 1363407, 1476138, 1556989, 1722161, 2001843, 2214207, 2726814, 3113978, 3181283, 3444322, 4003686, 4090221, 4428414, 4670967, 5166483, 6362566, 8180442, 9341934, 9543849, 10332966, 14012901, 15499449, 19087698, 28025802, 28631547, 30998898, 57263094, 157700743, 315401486, 473102229, 946204458, 1103905201, 1419306687, 2207810402, 2838613374, 3311715603, 6623431206, 9935146809, 19870293618]

約数ペア:

[(1, 19870293618), (2, 9935146809), (3, 6623431206), (6, 3311715603), (7, 2838613374), (9, 2207810402), (14, 1419306687), (18, 1103905201), (21, 946204458), (42, 473102229), (63, 315401486), (126, 157700743), (347, 57263094), (641, 30998898), (694, 28631547), (709, 28025802), (1041, 19087698), (1282, 15499449), (1418, 14012901), (1923, 10332966), (2082, 9543849), (2127, 9341934), (2429, 8180442), (3123, 6362566), (3846, 5166483), (4254, 4670967), (4487, 4428414), (4858, 4090221), (4963, 4003686), (5769, 3444322), (6246, 3181283), (6381, 3113978), (7287, 2726814), (8974, 2214207), (9926, 2001843), (11538, 1722161), (12762, 1556989), (13461, 1476138), (14574, 1363407), (14889, 1334562), (21861, 908938), (26922, 738069), (29778, 667281), (40383, 492046), (43722, 454469), (44667, 444854), (80766, 246023), (89334, 222427)]