19175728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:95

約数の個数: 120

約数和(自身を含む): 47965680

約数和(自身を除く): 28789952

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 29, 34, 44, 52, 58, 68, 88, 104, 116, 136, 143, 176, 187, 208, 221, 232, 272, 286, 289, 319, 374, 377, 442, 464, 493, 572, 578, 638, 748, 754, 884, 986, 1144, 1156, 1276, 1496, 1508, 1768, 1972, 2288, 2312, 2431, 2552, 2992, 3016, 3179, 3536, 3757, 3944, 4147, 4624, 4862, 5104, 5423, 6032, 6358, 6409, 7514, 7888, 8294, 8381, 9724, 10846, 12716, 12818, 15028, 16588, 16762, 19448, 21692, 25432, 25636, 30056, 33176, 33524, 38896, 41327, 43384, 50864, 51272, 60112, 66352, 67048, 70499, 82654, 86768, 92191, 102544, 108953, 134096, 140998, 165308, 184382, 217906, 281996, 330616, 368764, 435812, 563992, 661232, 737528, 871624, 1127984, 1198483, 1475056, 1743248, 2396966, 4793932, 9587864, 19175728]

約数ペア:

[(1, 19175728), (2, 9587864), (4, 4793932), (8, 2396966), (11, 1743248), (13, 1475056), (16, 1198483), (17, 1127984), (22, 871624), (26, 737528), (29, 661232), (34, 563992), (44, 435812), (52, 368764), (58, 330616), (68, 281996), (88, 217906), (104, 184382), (116, 165308), (136, 140998), (143, 134096), (176, 108953), (187, 102544), (208, 92191), (221, 86768), (232, 82654), (272, 70499), (286, 67048), (289, 66352), (319, 60112), (374, 51272), (377, 50864), (442, 43384), (464, 41327), (493, 38896), (572, 33524), (578, 33176), (638, 30056), (748, 25636), (754, 25432), (884, 21692), (986, 19448), (1144, 16762), (1156, 16588), (1276, 15028), (1496, 12818), (1508, 12716), (1768, 10846), (1972, 9724), (2288, 8381), (2312, 8294), (2431, 7888), (2552, 7514), (2992, 6409), (3016, 6358), (3179, 6032), (3536, 5423), (3757, 5104), (3944, 4862), (4147, 4624)]