20181491628

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1231}}^1\times {\mathrm{10429}}^1$

素因数の和:11798

約数の個数: 48

約数和(自身を含む): 47492712960

約数和(自身を除く): 27311221332

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1231, 1572, 2462, 3693, 4924, 7386, 10429, 14772, 20858, 31287, 41716, 62574, 125148, 161261, 322522, 483783, 645044, 967566, 1366199, 1935132, 2732398, 4098597, 5464796, 8197194, 12838099, 16394388, 25676198, 38514297, 51352396, 77028594, 154057188, 1681790969, 3363581938, 5045372907, 6727163876, 10090745814, 20181491628]

約数ペア:

[(1, 20181491628), (2, 10090745814), (3, 6727163876), (4, 5045372907), (6, 3363581938), (12, 1681790969), (131, 154057188), (262, 77028594), (393, 51352396), (524, 38514297), (786, 25676198), (1231, 16394388), (1572, 12838099), (2462, 8197194), (3693, 5464796), (4924, 4098597), (7386, 2732398), (10429, 1935132), (14772, 1366199), (20858, 967566), (31287, 645044), (41716, 483783), (62574, 322522), (125148, 161261)]