19898736

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 60996096

約数和(自身を除く): 41097360

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 169, 176, 208, 223, 264, 286, 312, 338, 429, 446, 507, 528, 572, 624, 669, 676, 858, 892, 1014, 1144, 1338, 1352, 1716, 1784, 1859, 2028, 2288, 2453, 2676, 2704, 2899, 3432, 3568, 3718, 4056, 4906, 5352, 5577, 5798, 6864, 7359, 7436, 8112, 8697, 9812, 10704, 11154, 11596, 14718, 14872, 17394, 19624, 22308, 23192, 29436, 29744, 31889, 34788, 37687, 39248, 44616, 46384, 58872, 63778, 69576, 75374, 89232, 95667, 113061, 117744, 127556, 139152, 150748, 191334, 226122, 255112, 301496, 382668, 414557, 452244, 510224, 602992, 765336, 829114, 904488, 1243671, 1530672, 1658228, 1808976, 2487342, 3316456, 4974684, 6632912, 9949368, 19898736]

約数ペア:

[(1, 19898736), (2, 9949368), (3, 6632912), (4, 4974684), (6, 3316456), (8, 2487342), (11, 1808976), (12, 1658228), (13, 1530672), (16, 1243671), (22, 904488), (24, 829114), (26, 765336), (33, 602992), (39, 510224), (44, 452244), (48, 414557), (52, 382668), (66, 301496), (78, 255112), (88, 226122), (104, 191334), (132, 150748), (143, 139152), (156, 127556), (169, 117744), (176, 113061), (208, 95667), (223, 89232), (264, 75374), (286, 69576), (312, 63778), (338, 58872), (429, 46384), (446, 44616), (507, 39248), (528, 37687), (572, 34788), (624, 31889), (669, 29744), (676, 29436), (858, 23192), (892, 22308), (1014, 19624), (1144, 17394), (1338, 14872), (1352, 14718), (1716, 11596), (1784, 11154), (1859, 10704), (2028, 9812), (2288, 8697), (2453, 8112), (2676, 7436), (2704, 7359), (2899, 6864), (3432, 5798), (3568, 5577), (3718, 5352), (4056, 4906)]