18886284

素因数分解:

$2^2\times 3^4\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:908

約数の個数: 60

約数和(自身を含む): 50128848

約数和(自身を除く): 31242564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 284, 324, 426, 639, 821, 852, 1278, 1642, 1917, 2463, 2556, 3284, 3834, 4926, 5751, 7389, 7668, 9852, 11502, 14778, 22167, 23004, 29556, 44334, 58291, 66501, 88668, 116582, 133002, 174873, 233164, 266004, 349746, 524619, 699492, 1049238, 1573857, 2098476, 3147714, 4721571, 6295428, 9443142, 18886284]

約数ペア:

[(1, 18886284), (2, 9443142), (3, 6295428), (4, 4721571), (6, 3147714), (9, 2098476), (12, 1573857), (18, 1049238), (27, 699492), (36, 524619), (54, 349746), (71, 266004), (81, 233164), (108, 174873), (142, 133002), (162, 116582), (213, 88668), (284, 66501), (324, 58291), (426, 44334), (639, 29556), (821, 23004), (852, 22167), (1278, 14778), (1642, 11502), (1917, 9852), (2463, 7668), (2556, 7389), (3284, 5751), (3834, 4926)]