18746312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 22077688

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 53, 76, 104, 106, 152, 179, 212, 247, 358, 424, 494, 689, 716, 988, 1007, 1378, 1432, 1976, 2014, 2327, 2756, 3401, 4028, 4654, 5512, 6802, 8056, 9308, 9487, 13091, 13604, 18616, 18974, 26182, 27208, 37948, 44213, 52364, 75896, 88426, 104728, 123331, 176852, 180253, 246662, 353704, 360506, 493324, 721012, 986648, 1442024, 2343289, 4686578, 9373156, 18746312]

約数ペア:

[(1, 18746312), (2, 9373156), (4, 4686578), (8, 2343289), (13, 1442024), (19, 986648), (26, 721012), (38, 493324), (52, 360506), (53, 353704), (76, 246662), (104, 180253), (106, 176852), (152, 123331), (179, 104728), (212, 88426), (247, 75896), (358, 52364), (424, 44213), (494, 37948), (689, 27208), (716, 26182), (988, 18974), (1007, 18616), (1378, 13604), (1432, 13091), (1976, 9487), (2014, 9308), (2327, 8056), (2756, 6802), (3401, 5512), (4028, 4654)]