19809636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1949}}^1$

素因数の和:1985

約数の個数: 72

約数和(自身を含む): 58094400

約数和(自身を除く): 38284764

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 1949, 2541, 3388, 3898, 5082, 5847, 7796, 10164, 11694, 13643, 21439, 23388, 27286, 40929, 42878, 54572, 64317, 81858, 85756, 128634, 150073, 163716, 235829, 257268, 300146, 450219, 471658, 600292, 707487, 900438, 943316, 1414974, 1650803, 1800876, 2829948, 3301606, 4952409, 6603212, 9904818, 19809636]

約数ペア:

[(1, 19809636), (2, 9904818), (3, 6603212), (4, 4952409), (6, 3301606), (7, 2829948), (11, 1800876), (12, 1650803), (14, 1414974), (21, 943316), (22, 900438), (28, 707487), (33, 600292), (42, 471658), (44, 450219), (66, 300146), (77, 257268), (84, 235829), (121, 163716), (132, 150073), (154, 128634), (231, 85756), (242, 81858), (308, 64317), (363, 54572), (462, 42878), (484, 40929), (726, 27286), (847, 23388), (924, 21439), (1452, 13643), (1694, 11694), (1949, 10164), (2541, 7796), (3388, 5847), (3898, 5082)]