19078578

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 80

約数和(自身を含む): 45999360

約数和(自身を除く): 26920782

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 31, 54, 58, 62, 81, 87, 93, 131, 162, 174, 186, 261, 262, 279, 393, 522, 558, 783, 786, 837, 899, 1179, 1566, 1674, 1798, 2349, 2358, 2511, 2697, 3537, 3799, 4061, 4698, 5022, 5394, 7074, 7598, 8091, 8122, 10611, 11397, 12183, 16182, 21222, 22794, 24273, 24366, 34191, 36549, 48546, 68382, 72819, 73098, 102573, 109647, 117769, 145638, 205146, 219294, 235538, 307719, 328941, 353307, 615438, 657882, 706614, 1059921, 2119842, 3179763, 6359526, 9539289, 19078578]

約数ペア:

[(1, 19078578), (2, 9539289), (3, 6359526), (6, 3179763), (9, 2119842), (18, 1059921), (27, 706614), (29, 657882), (31, 615438), (54, 353307), (58, 328941), (62, 307719), (81, 235538), (87, 219294), (93, 205146), (131, 145638), (162, 117769), (174, 109647), (186, 102573), (261, 73098), (262, 72819), (279, 68382), (393, 48546), (522, 36549), (558, 34191), (783, 24366), (786, 24273), (837, 22794), (899, 21222), (1179, 16182), (1566, 12183), (1674, 11397), (1798, 10611), (2349, 8122), (2358, 8091), (2511, 7598), (2697, 7074), (3537, 5394), (3799, 5022), (4061, 4698)]