19253416

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 26106584

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 104, 106, 182, 212, 364, 371, 424, 499, 689, 728, 742, 998, 1378, 1484, 1996, 2756, 2968, 3493, 3992, 4823, 5512, 6487, 6986, 9646, 12974, 13972, 19292, 25948, 26447, 27944, 38584, 45409, 51896, 52894, 90818, 105788, 181636, 185129, 211576, 343811, 363272, 370258, 687622, 740516, 1375244, 1481032, 2406677, 2750488, 4813354, 9626708, 19253416]

約数ペア:

[(1, 19253416), (2, 9626708), (4, 4813354), (7, 2750488), (8, 2406677), (13, 1481032), (14, 1375244), (26, 740516), (28, 687622), (52, 370258), (53, 363272), (56, 343811), (91, 211576), (104, 185129), (106, 181636), (182, 105788), (212, 90818), (364, 52894), (371, 51896), (424, 45409), (499, 38584), (689, 27944), (728, 26447), (742, 25948), (998, 19292), (1378, 13972), (1484, 12974), (1996, 9646), (2756, 6986), (2968, 6487), (3493, 5512), (3992, 4823)]