19869872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 46202400

約数和(自身を除く): 26332528

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 29, 34, 44, 58, 68, 88, 116, 136, 176, 187, 229, 232, 272, 319, 374, 458, 464, 493, 638, 748, 916, 986, 1276, 1496, 1832, 1972, 2519, 2552, 2992, 3664, 3893, 3944, 5038, 5104, 5423, 6641, 7786, 7888, 10076, 10846, 13282, 15572, 20152, 21692, 26564, 31144, 40304, 42823, 43384, 53128, 62288, 73051, 85646, 86768, 106256, 112897, 146102, 171292, 225794, 292204, 342584, 451588, 584408, 685168, 903176, 1168816, 1241867, 1806352, 2483734, 4967468, 9934936, 19869872]

約数ペア:

[(1, 19869872), (2, 9934936), (4, 4967468), (8, 2483734), (11, 1806352), (16, 1241867), (17, 1168816), (22, 903176), (29, 685168), (34, 584408), (44, 451588), (58, 342584), (68, 292204), (88, 225794), (116, 171292), (136, 146102), (176, 112897), (187, 106256), (229, 86768), (232, 85646), (272, 73051), (319, 62288), (374, 53128), (458, 43384), (464, 42823), (493, 40304), (638, 31144), (748, 26564), (916, 21692), (986, 20152), (1276, 15572), (1496, 13282), (1832, 10846), (1972, 10076), (2519, 7888), (2552, 7786), (2992, 6641), (3664, 5423), (3893, 5104), (3944, 5038)]