20181657324

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{40699}}^1$

素因数の和:40811

約数の個数: 72

約数和(自身を含む): 49791403200

約数和(自身を除く): 29609745876

約数列:

[1, 2, 3, 4, 6, 12, 31, 43, 62, 86, 93, 124, 129, 172, 186, 258, 372, 516, 961, 1333, 1922, 2666, 2883, 3844, 3999, 5332, 5766, 7998, 11532, 15996, 40699, 41323, 81398, 82646, 122097, 123969, 162796, 165292, 244194, 247938, 488388, 495876, 1261669, 1750057, 2523338, 3500114, 3785007, 5046676, 5250171, 7000228, 7570014, 10500342, 15140028, 21000684, 39111739, 54251767, 78223478, 108503534, 117335217, 156446956, 162755301, 217007068, 234670434, 325510602, 469340868, 651021204, 1681804777, 3363609554, 5045414331, 6727219108, 10090828662, 20181657324]

約数ペア:

[(1, 20181657324), (2, 10090828662), (3, 6727219108), (4, 5045414331), (6, 3363609554), (12, 1681804777), (31, 651021204), (43, 469340868), (62, 325510602), (86, 234670434), (93, 217007068), (124, 162755301), (129, 156446956), (172, 117335217), (186, 108503534), (258, 78223478), (372, 54251767), (516, 39111739), (961, 21000684), (1333, 15140028), (1922, 10500342), (2666, 7570014), (2883, 7000228), (3844, 5250171), (3999, 5046676), (5332, 3785007), (5766, 3500114), (7998, 2523338), (11532, 1750057), (15996, 1261669), (40699, 495876), (41323, 488388), (81398, 247938), (82646, 244194), (122097, 165292), (123969, 162796)]