19780849764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2224567}}^1$

素因数の和:2224609

約数の個数: 72

約数和(自身を含む): 56681992640

約数和(自身を除く): 36901142876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 2224567, 4449134, 6673701, 8898268, 13347402, 20021103, 26694804, 28919371, 40042206, 42266773, 57838742, 80084412, 84533546, 86758113, 115677484, 126800319, 169067092, 173516226, 253600638, 260274339, 347032452, 380400957, 507201276, 520548678, 549468049, 760801914, 1041097356, 1098936098, 1521603828, 1648404147, 2197872196, 3296808294, 4945212441, 6593616588, 9890424882, 19780849764]

約数ペア:

[(1, 19780849764), (2, 9890424882), (3, 6593616588), (4, 4945212441), (6, 3296808294), (9, 2197872196), (12, 1648404147), (13, 1521603828), (18, 1098936098), (19, 1041097356), (26, 760801914), (36, 549468049), (38, 520548678), (39, 507201276), (52, 380400957), (57, 347032452), (76, 260274339), (78, 253600638), (114, 173516226), (117, 169067092), (156, 126800319), (171, 115677484), (228, 86758113), (234, 84533546), (247, 80084412), (342, 57838742), (468, 42266773), (494, 40042206), (684, 28919371), (741, 26694804), (988, 20021103), (1482, 13347402), (2223, 8898268), (2964, 6673701), (4446, 4449134), (8892, 2224567)]