2018120988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{42139}}^1$

素因数の和:42466

約数の個数: 48

約数和(自身を含む): 5087815040

約数和(自身を除く): 3069694052

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 307, 614, 921, 1228, 1842, 3684, 3991, 7982, 11973, 15964, 23946, 42139, 47892, 84278, 126417, 168556, 252834, 505668, 547807, 1095614, 1643421, 2191228, 3286842, 6573684, 12936673, 25873346, 38810019, 51746692, 77620038, 155240076, 168176749, 336353498, 504530247, 672706996, 1009060494, 2018120988]

約数ペア:

[(1, 2018120988), (2, 1009060494), (3, 672706996), (4, 504530247), (6, 336353498), (12, 168176749), (13, 155240076), (26, 77620038), (39, 51746692), (52, 38810019), (78, 25873346), (156, 12936673), (307, 6573684), (614, 3286842), (921, 2191228), (1228, 1643421), (1842, 1095614), (3684, 547807), (3991, 505668), (7982, 252834), (11973, 168556), (15964, 126417), (23946, 84278), (42139, 47892)]