18291285378

素因数分解:

$2^1\times 3^4\times {\mathrm{271}}^1\times {\mathrm{401}}^1\times {\mathrm{1039}}^1$

素因数の和:1725

約数の個数: 80

約数和(自身を含む): 41279546880

約数和(自身を除く): 22988261502

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 271, 401, 542, 802, 813, 1039, 1203, 1626, 2078, 2406, 2439, 3117, 3609, 4878, 6234, 7218, 7317, 9351, 10827, 14634, 18702, 21654, 21951, 28053, 32481, 43902, 56106, 64962, 84159, 108671, 168318, 217342, 281569, 326013, 416639, 563138, 652026, 833278, 844707, 978039, 1249917, 1689414, 1956078, 2499834, 2534121, 2934117, 3749751, 5068242, 5868234, 7499502, 7602363, 8802351, 11249253, 15204726, 17604702, 22498506, 22807089, 33747759, 45614178, 67495518, 112909169, 225818338, 338727507, 677455014, 1016182521, 2032365042, 3048547563, 6097095126, 9145642689, 18291285378]

約数ペア:

[(1, 18291285378), (2, 9145642689), (3, 6097095126), (6, 3048547563), (9, 2032365042), (18, 1016182521), (27, 677455014), (54, 338727507), (81, 225818338), (162, 112909169), (271, 67495518), (401, 45614178), (542, 33747759), (802, 22807089), (813, 22498506), (1039, 17604702), (1203, 15204726), (1626, 11249253), (2078, 8802351), (2406, 7602363), (2439, 7499502), (3117, 5868234), (3609, 5068242), (4878, 3749751), (6234, 2934117), (7218, 2534121), (7317, 2499834), (9351, 1956078), (10827, 1689414), (14634, 1249917), (18702, 978039), (21654, 844707), (21951, 833278), (28053, 652026), (32481, 563138), (43902, 416639), (56106, 326013), (64962, 281569), (84159, 217342), (108671, 168318)]