19162720

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 45556560

約数和(自身を除く): 26393840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 523, 916, 1046, 1145, 1832, 2092, 2290, 2615, 3664, 4184, 4580, 5230, 7328, 8368, 9160, 10460, 16736, 18320, 20920, 36640, 41840, 83680, 119767, 239534, 479068, 598835, 958136, 1197670, 1916272, 2395340, 3832544, 4790680, 9581360, 19162720]

約数ペア:

[(1, 19162720), (2, 9581360), (4, 4790680), (5, 3832544), (8, 2395340), (10, 1916272), (16, 1197670), (20, 958136), (32, 598835), (40, 479068), (80, 239534), (160, 119767), (229, 83680), (458, 41840), (523, 36640), (916, 20920), (1046, 18320), (1145, 16736), (1832, 10460), (2092, 9160), (2290, 8368), (2615, 7328), (3664, 5230), (4184, 4580)]