18547986

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 41430528

約数和(自身を除く): 22882542

約数列:

[1, 2, 3, 6, 17, 34, 47, 51, 53, 73, 94, 102, 106, 141, 146, 159, 219, 282, 318, 438, 799, 901, 1241, 1598, 1802, 2397, 2482, 2491, 2703, 3431, 3723, 3869, 4794, 4982, 5406, 6862, 7446, 7473, 7738, 10293, 11607, 14946, 20586, 23214, 42347, 58327, 65773, 84694, 116654, 127041, 131546, 174981, 181843, 197319, 254082, 349962, 363686, 394638, 545529, 1091058, 3091331, 6182662, 9273993, 18547986]

約数ペア:

[(1, 18547986), (2, 9273993), (3, 6182662), (6, 3091331), (17, 1091058), (34, 545529), (47, 394638), (51, 363686), (53, 349962), (73, 254082), (94, 197319), (102, 181843), (106, 174981), (141, 131546), (146, 127041), (159, 116654), (219, 84694), (282, 65773), (318, 58327), (438, 42347), (799, 23214), (901, 20586), (1241, 14946), (1598, 11607), (1802, 10293), (2397, 7738), (2482, 7473), (2491, 7446), (2703, 6862), (3431, 5406), (3723, 4982), (3869, 4794)]