18650916

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 49131264

約数和(自身を除く): 30480348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 73, 94, 141, 146, 151, 188, 219, 282, 292, 302, 423, 438, 453, 564, 604, 657, 846, 876, 906, 1314, 1359, 1692, 1812, 2628, 2718, 3431, 5436, 6862, 7097, 10293, 11023, 13724, 14194, 20586, 21291, 22046, 28388, 30879, 33069, 41172, 42582, 44092, 61758, 63873, 66138, 85164, 99207, 123516, 127746, 132276, 198414, 255492, 396828, 518081, 1036162, 1554243, 2072324, 3108486, 4662729, 6216972, 9325458, 18650916]

約数ペア:

[(1, 18650916), (2, 9325458), (3, 6216972), (4, 4662729), (6, 3108486), (9, 2072324), (12, 1554243), (18, 1036162), (36, 518081), (47, 396828), (73, 255492), (94, 198414), (141, 132276), (146, 127746), (151, 123516), (188, 99207), (219, 85164), (282, 66138), (292, 63873), (302, 61758), (423, 44092), (438, 42582), (453, 41172), (564, 33069), (604, 30879), (657, 28388), (846, 22046), (876, 21291), (906, 20586), (1314, 14194), (1359, 13724), (1692, 11023), (1812, 10293), (2628, 7097), (2718, 6862), (3431, 5436)]