19254880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7079}}^1$

素因数の和:7111

約数の個数: 48

約数和(自身を含む): 48172320

約数和(自身を除く): 28917440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 7079, 14158, 28316, 35395, 56632, 70790, 113264, 120343, 141580, 226528, 240686, 283160, 481372, 566320, 601715, 962744, 1132640, 1203430, 1925488, 2406860, 3850976, 4813720, 9627440, 19254880]

約数ペア:

[(1, 19254880), (2, 9627440), (4, 4813720), (5, 3850976), (8, 2406860), (10, 1925488), (16, 1203430), (17, 1132640), (20, 962744), (32, 601715), (34, 566320), (40, 481372), (68, 283160), (80, 240686), (85, 226528), (136, 141580), (160, 120343), (170, 113264), (272, 70790), (340, 56632), (544, 35395), (680, 28316), (1360, 14158), (2720, 7079)]