18273632

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 72

約数和(自身を含む): 40582080

約数和(自身を除く): 22308448

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 109, 124, 169, 208, 218, 248, 338, 403, 416, 436, 496, 676, 806, 872, 992, 1352, 1417, 1612, 1744, 2704, 2834, 3224, 3379, 3488, 5239, 5408, 5668, 6448, 6758, 10478, 11336, 12896, 13516, 18421, 20956, 22672, 27032, 36842, 41912, 43927, 45344, 54064, 73684, 83824, 87854, 108128, 147368, 167648, 175708, 294736, 351416, 571051, 589472, 702832, 1142102, 1405664, 2284204, 4568408, 9136816, 18273632]

約数ペア:

[(1, 18273632), (2, 9136816), (4, 4568408), (8, 2284204), (13, 1405664), (16, 1142102), (26, 702832), (31, 589472), (32, 571051), (52, 351416), (62, 294736), (104, 175708), (109, 167648), (124, 147368), (169, 108128), (208, 87854), (218, 83824), (248, 73684), (338, 54064), (403, 45344), (416, 43927), (436, 41912), (496, 36842), (676, 27032), (806, 22672), (872, 20956), (992, 18421), (1352, 13516), (1417, 12896), (1612, 11336), (1744, 10478), (2704, 6758), (2834, 6448), (3224, 5668), (3379, 5408), (3488, 5239)]