19883864

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 50595840

約数和(自身を除く): 30711976

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 169, 182, 191, 286, 308, 338, 364, 382, 572, 616, 676, 728, 764, 1001, 1144, 1183, 1337, 1352, 1528, 1859, 2002, 2101, 2366, 2483, 2674, 3718, 4004, 4202, 4732, 4966, 5348, 7436, 8008, 8404, 9464, 9932, 10696, 13013, 14707, 14872, 16808, 17381, 19864, 26026, 27313, 29414, 32279, 34762, 52052, 54626, 58828, 64558, 69524, 104104, 109252, 117656, 129116, 139048, 191191, 218504, 225953, 258232, 355069, 382382, 451906, 710138, 764764, 903812, 1420276, 1529528, 1807624, 2485483, 2840552, 4970966, 9941932, 19883864]

約数ペア:

[(1, 19883864), (2, 9941932), (4, 4970966), (7, 2840552), (8, 2485483), (11, 1807624), (13, 1529528), (14, 1420276), (22, 903812), (26, 764764), (28, 710138), (44, 451906), (52, 382382), (56, 355069), (77, 258232), (88, 225953), (91, 218504), (104, 191191), (143, 139048), (154, 129116), (169, 117656), (182, 109252), (191, 104104), (286, 69524), (308, 64558), (338, 58828), (364, 54626), (382, 52052), (572, 34762), (616, 32279), (676, 29414), (728, 27313), (764, 26026), (1001, 19864), (1144, 17381), (1183, 16808), (1337, 14872), (1352, 14707), (1528, 13013), (1859, 10696), (2002, 9932), (2101, 9464), (2366, 8404), (2483, 8008), (2674, 7436), (3718, 5348), (4004, 4966), (4202, 4732)]