18942352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 45747072

約数和(自身を除く): 26804720

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 487, 572, 748, 884, 974, 1144, 1496, 1768, 1948, 2288, 2431, 2992, 3536, 3896, 4862, 5357, 6331, 7792, 8279, 9724, 10714, 12662, 16558, 19448, 21428, 25324, 33116, 38896, 42856, 50648, 66232, 69641, 85712, 91069, 101296, 107627, 132464, 139282, 182138, 215254, 278564, 364276, 430508, 557128, 728552, 861016, 1114256, 1183897, 1457104, 1722032, 2367794, 4735588, 9471176, 18942352]

約数ペア:

[(1, 18942352), (2, 9471176), (4, 4735588), (8, 2367794), (11, 1722032), (13, 1457104), (16, 1183897), (17, 1114256), (22, 861016), (26, 728552), (34, 557128), (44, 430508), (52, 364276), (68, 278564), (88, 215254), (104, 182138), (136, 139282), (143, 132464), (176, 107627), (187, 101296), (208, 91069), (221, 85712), (272, 69641), (286, 66232), (374, 50648), (442, 42856), (487, 38896), (572, 33116), (748, 25324), (884, 21428), (974, 19448), (1144, 16558), (1496, 12662), (1768, 10714), (1948, 9724), (2288, 8279), (2431, 7792), (2992, 6331), (3536, 5357), (3896, 4862)]