19497440

素因数分解:

$2^5\times 5^1\times {\mathrm{233}}^1\times {\mathrm{523}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 46348848

約数和(自身を除く): 26851408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 233, 466, 523, 932, 1046, 1165, 1864, 2092, 2330, 2615, 3728, 4184, 4660, 5230, 7456, 8368, 9320, 10460, 16736, 18640, 20920, 37280, 41840, 83680, 121859, 243718, 487436, 609295, 974872, 1218590, 1949744, 2437180, 3899488, 4874360, 9748720, 19497440]

約数ペア:

[(1, 19497440), (2, 9748720), (4, 4874360), (5, 3899488), (8, 2437180), (10, 1949744), (16, 1218590), (20, 974872), (32, 609295), (40, 487436), (80, 243718), (160, 121859), (233, 83680), (466, 41840), (523, 37280), (932, 20920), (1046, 18640), (1165, 16736), (1864, 10460), (2092, 9320), (2330, 8368), (2615, 7456), (3728, 5230), (4184, 4660)]