18677330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 39989376

約数和(自身を除く): 21312046

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 470, 490, 658, 811, 1622, 1645, 2303, 3290, 4055, 4606, 5677, 8110, 11354, 11515, 23030, 28385, 38117, 39739, 56770, 76234, 79478, 190585, 198695, 266819, 381170, 397390, 533638, 1334095, 1867733, 2668190, 3735466, 9338665, 18677330]

約数ペア:

[(1, 18677330), (2, 9338665), (5, 3735466), (7, 2668190), (10, 1867733), (14, 1334095), (35, 533638), (47, 397390), (49, 381170), (70, 266819), (94, 198695), (98, 190585), (235, 79478), (245, 76234), (329, 56770), (470, 39739), (490, 38117), (658, 28385), (811, 23030), (1622, 11515), (1645, 11354), (2303, 8110), (3290, 5677), (4055, 4606)]