18042976

素因数分解:

$2^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 72

約数和(自身を含む): 42574896

約数和(自身を除く): 24531920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 74, 98, 112, 148, 196, 224, 259, 296, 311, 392, 518, 592, 622, 784, 1036, 1184, 1244, 1568, 1813, 2072, 2177, 2488, 3626, 4144, 4354, 4976, 7252, 8288, 8708, 9952, 11507, 14504, 15239, 17416, 23014, 29008, 30478, 34832, 46028, 58016, 60956, 69664, 80549, 92056, 121912, 161098, 184112, 243824, 322196, 368224, 487648, 563843, 644392, 1127686, 1288784, 2255372, 2577568, 4510744, 9021488, 18042976]

約数ペア:

[(1, 18042976), (2, 9021488), (4, 4510744), (7, 2577568), (8, 2255372), (14, 1288784), (16, 1127686), (28, 644392), (32, 563843), (37, 487648), (49, 368224), (56, 322196), (74, 243824), (98, 184112), (112, 161098), (148, 121912), (196, 92056), (224, 80549), (259, 69664), (296, 60956), (311, 58016), (392, 46028), (518, 34832), (592, 30478), (622, 29008), (784, 23014), (1036, 17416), (1184, 15239), (1244, 14504), (1568, 11507), (1813, 9952), (2072, 8708), (2177, 8288), (2488, 7252), (3626, 4976), (4144, 4354)]