19436880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 60888960

約数和(自身を除く): 41452080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 743, 872, 1090, 1308, 1486, 1635, 1744, 2180, 2229, 2616, 2972, 3270, 3715, 4360, 4458, 5232, 5944, 6540, 7430, 8720, 8916, 11145, 11888, 13080, 14860, 17832, 22290, 26160, 29720, 35664, 44580, 59440, 80987, 89160, 161974, 178320, 242961, 323948, 404935, 485922, 647896, 809870, 971844, 1214805, 1295792, 1619740, 1943688, 2429610, 3239480, 3887376, 4859220, 6478960, 9718440, 19436880]

約数ペア:

[(1, 19436880), (2, 9718440), (3, 6478960), (4, 4859220), (5, 3887376), (6, 3239480), (8, 2429610), (10, 1943688), (12, 1619740), (15, 1295792), (16, 1214805), (20, 971844), (24, 809870), (30, 647896), (40, 485922), (48, 404935), (60, 323948), (80, 242961), (109, 178320), (120, 161974), (218, 89160), (240, 80987), (327, 59440), (436, 44580), (545, 35664), (654, 29720), (743, 26160), (872, 22290), (1090, 17832), (1308, 14860), (1486, 13080), (1635, 11888), (1744, 11145), (2180, 8916), (2229, 8720), (2616, 7430), (2972, 6540), (3270, 5944), (3715, 5232), (4360, 4458)]