18886428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 53529840

約数和(自身を除く): 34643412

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1289, 1332, 1628, 2442, 2578, 3663, 3867, 4884, 5156, 7326, 7734, 11601, 14179, 14652, 15468, 23202, 28358, 42537, 46404, 47693, 56716, 85074, 95386, 127611, 143079, 170148, 190772, 255222, 286158, 429237, 510444, 524623, 572316, 858474, 1049246, 1573869, 1716948, 2098492, 3147738, 4721607, 6295476, 9443214, 18886428]

約数ペア:

[(1, 18886428), (2, 9443214), (3, 6295476), (4, 4721607), (6, 3147738), (9, 2098492), (11, 1716948), (12, 1573869), (18, 1049246), (22, 858474), (33, 572316), (36, 524623), (37, 510444), (44, 429237), (66, 286158), (74, 255222), (99, 190772), (111, 170148), (132, 143079), (148, 127611), (198, 95386), (222, 85074), (333, 56716), (396, 47693), (407, 46404), (444, 42537), (666, 28358), (814, 23202), (1221, 15468), (1289, 14652), (1332, 14179), (1628, 11601), (2442, 7734), (2578, 7326), (3663, 5156), (3867, 4884)]