19570672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 45425664

約数和(自身を除く): 25854992

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 176, 187, 211, 248, 272, 341, 374, 422, 496, 527, 682, 748, 844, 1054, 1364, 1496, 1688, 2108, 2321, 2728, 2992, 3376, 3587, 4216, 4642, 5456, 5797, 6541, 7174, 8432, 9284, 11594, 13082, 14348, 18568, 23188, 26164, 28696, 37136, 39457, 46376, 52328, 57392, 71951, 78914, 92752, 104656, 111197, 143902, 157828, 222394, 287804, 315656, 444788, 575608, 631312, 889576, 1151216, 1223167, 1779152, 2446334, 4892668, 9785336, 19570672]

約数ペア:

[(1, 19570672), (2, 9785336), (4, 4892668), (8, 2446334), (11, 1779152), (16, 1223167), (17, 1151216), (22, 889576), (31, 631312), (34, 575608), (44, 444788), (62, 315656), (68, 287804), (88, 222394), (124, 157828), (136, 143902), (176, 111197), (187, 104656), (211, 92752), (248, 78914), (272, 71951), (341, 57392), (374, 52328), (422, 46376), (496, 39457), (527, 37136), (682, 28696), (748, 26164), (844, 23188), (1054, 18568), (1364, 14348), (1496, 13082), (1688, 11594), (2108, 9284), (2321, 8432), (2728, 7174), (2992, 6541), (3376, 5797), (3587, 5456), (4216, 4642)]