18905208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2617}}^1$

素因数の和:2676

約数の個数: 64

約数和(自身を含む): 55292160

約数和(自身を除く): 36386952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2617, 3612, 5234, 7224, 7851, 10468, 15702, 18319, 20936, 31404, 36638, 54957, 62808, 73276, 109914, 112531, 146552, 219828, 225062, 337593, 439656, 450124, 675186, 787717, 900248, 1350372, 1575434, 2363151, 2700744, 3150868, 4726302, 6301736, 9452604, 18905208]

約数ペア:

[(1, 18905208), (2, 9452604), (3, 6301736), (4, 4726302), (6, 3150868), (7, 2700744), (8, 2363151), (12, 1575434), (14, 1350372), (21, 900248), (24, 787717), (28, 675186), (42, 450124), (43, 439656), (56, 337593), (84, 225062), (86, 219828), (129, 146552), (168, 112531), (172, 109914), (258, 73276), (301, 62808), (344, 54957), (516, 36638), (602, 31404), (903, 20936), (1032, 18319), (1204, 15702), (1806, 10468), (2408, 7851), (2617, 7224), (3612, 5234)]