2018990196

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{11981}}^1$

素因数の和:12173

約数の個数: 72

約数和(自身を含む): 5303520768

約数和(自身を除く): 3284530572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 151, 186, 279, 302, 372, 453, 558, 604, 906, 1116, 1359, 1812, 2718, 4681, 5436, 9362, 11981, 14043, 18724, 23962, 28086, 35943, 42129, 47924, 56172, 71886, 84258, 107829, 143772, 168516, 215658, 371411, 431316, 742822, 1114233, 1485644, 1809131, 2228466, 3342699, 3618262, 4456932, 5427393, 6685398, 7236524, 10854786, 13370796, 16282179, 21709572, 32564358, 56083061, 65128716, 112166122, 168249183, 224332244, 336498366, 504747549, 672996732, 1009495098, 2018990196]

約数ペア:

[(1, 2018990196), (2, 1009495098), (3, 672996732), (4, 504747549), (6, 336498366), (9, 224332244), (12, 168249183), (18, 112166122), (31, 65128716), (36, 56083061), (62, 32564358), (93, 21709572), (124, 16282179), (151, 13370796), (186, 10854786), (279, 7236524), (302, 6685398), (372, 5427393), (453, 4456932), (558, 3618262), (604, 3342699), (906, 2228466), (1116, 1809131), (1359, 1485644), (1812, 1114233), (2718, 742822), (4681, 431316), (5436, 371411), (9362, 215658), (11981, 168516), (14043, 143772), (18724, 107829), (23962, 84258), (28086, 71886), (35943, 56172), (42129, 47924)]