19674848

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 41776560

約数和(自身を除く): 22101712

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 68, 118, 136, 236, 272, 472, 544, 613, 944, 1003, 1226, 1888, 2006, 2452, 4012, 4904, 8024, 9808, 10421, 16048, 19616, 20842, 32096, 36167, 41684, 72334, 83368, 144668, 166736, 289336, 333472, 578672, 614839, 1157344, 1229678, 2459356, 4918712, 9837424, 19674848]

約数ペア:

[(1, 19674848), (2, 9837424), (4, 4918712), (8, 2459356), (16, 1229678), (17, 1157344), (32, 614839), (34, 578672), (59, 333472), (68, 289336), (118, 166736), (136, 144668), (236, 83368), (272, 72334), (472, 41684), (544, 36167), (613, 32096), (944, 20842), (1003, 19616), (1226, 16048), (1888, 10421), (2006, 9808), (2452, 8024), (4012, 4904)]