18850873538

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{20849}}^1$

素因数の和:21035

約数の個数: 64

約数和(自身を含む): 35668512000

約数和(自身を除く): 16817638462

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 131, 203, 238, 262, 406, 493, 917, 986, 1834, 2227, 3451, 3799, 4454, 6902, 7598, 15589, 20849, 26593, 31178, 41698, 53186, 64583, 129166, 145943, 291886, 354433, 452081, 604621, 708866, 904162, 1209242, 2481031, 2731219, 4232347, 4962062, 5462438, 8464694, 10278557, 19118533, 20557114, 38237066, 46430723, 71949899, 79205351, 92861446, 143899798, 158410702, 325015061, 554437457, 650030122, 1108874914, 1346490967, 2692981934, 9425436769, 18850873538]

約数ペア:

[(1, 18850873538), (2, 9425436769), (7, 2692981934), (14, 1346490967), (17, 1108874914), (29, 650030122), (34, 554437457), (58, 325015061), (119, 158410702), (131, 143899798), (203, 92861446), (238, 79205351), (262, 71949899), (406, 46430723), (493, 38237066), (917, 20557114), (986, 19118533), (1834, 10278557), (2227, 8464694), (3451, 5462438), (3799, 4962062), (4454, 4232347), (6902, 2731219), (7598, 2481031), (15589, 1209242), (20849, 904162), (26593, 708866), (31178, 604621), (41698, 452081), (53186, 354433), (64583, 291886), (129166, 145943)]