19518856

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 47093400

約数和(自身を除く): 27574544

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 29, 34, 49, 56, 58, 68, 98, 101, 116, 119, 136, 196, 202, 203, 232, 238, 392, 404, 406, 476, 493, 707, 808, 812, 833, 952, 986, 1414, 1421, 1624, 1666, 1717, 1972, 2828, 2842, 2929, 3332, 3434, 3451, 3944, 4949, 5656, 5684, 5858, 6664, 6868, 6902, 9898, 11368, 11716, 12019, 13736, 13804, 19796, 20503, 23432, 24038, 24157, 27608, 39592, 41006, 48076, 48314, 49793, 82012, 84133, 96152, 96628, 99586, 143521, 164024, 168266, 193256, 199172, 287042, 336532, 348551, 398344, 574084, 673064, 697102, 1148168, 1394204, 2439857, 2788408, 4879714, 9759428, 19518856]

約数ペア:

[(1, 19518856), (2, 9759428), (4, 4879714), (7, 2788408), (8, 2439857), (14, 1394204), (17, 1148168), (28, 697102), (29, 673064), (34, 574084), (49, 398344), (56, 348551), (58, 336532), (68, 287042), (98, 199172), (101, 193256), (116, 168266), (119, 164024), (136, 143521), (196, 99586), (202, 96628), (203, 96152), (232, 84133), (238, 82012), (392, 49793), (404, 48314), (406, 48076), (476, 41006), (493, 39592), (707, 27608), (808, 24157), (812, 24038), (833, 23432), (952, 20503), (986, 19796), (1414, 13804), (1421, 13736), (1624, 12019), (1666, 11716), (1717, 11368), (1972, 9898), (2828, 6902), (2842, 6868), (2929, 6664), (3332, 5858), (3434, 5684), (3451, 5656), (3944, 4949)]