11993560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 29145600

約数和(自身を除く): 17152040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 367, 380, 430, 734, 760, 817, 860, 1468, 1634, 1720, 1835, 2936, 3268, 3670, 4085, 6536, 6973, 7340, 8170, 13946, 14680, 15781, 16340, 27892, 31562, 32680, 34865, 55784, 63124, 69730, 78905, 126248, 139460, 157810, 278920, 299839, 315620, 599678, 631240, 1199356, 1499195, 2398712, 2998390, 5996780, 11993560]

約数ペア:

[(1, 11993560), (2, 5996780), (4, 2998390), (5, 2398712), (8, 1499195), (10, 1199356), (19, 631240), (20, 599678), (38, 315620), (40, 299839), (43, 278920), (76, 157810), (86, 139460), (95, 126248), (152, 78905), (172, 69730), (190, 63124), (215, 55784), (344, 34865), (367, 32680), (380, 31562), (430, 27892), (734, 16340), (760, 15781), (817, 14680), (860, 13946), (1468, 8170), (1634, 7340), (1720, 6973), (1835, 6536), (2936, 4085), (3268, 3670)]