11891720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15647}}^1$

素因数の和:15677

約数の個数: 32

約数和(自身を含む): 28166400

約数和(自身を除く): 16274680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 15647, 31294, 62588, 78235, 125176, 156470, 297293, 312940, 594586, 625880, 1189172, 1486465, 2378344, 2972930, 5945860, 11891720]

約数ペア:

[(1, 11891720), (2, 5945860), (4, 2972930), (5, 2378344), (8, 1486465), (10, 1189172), (19, 625880), (20, 594586), (38, 312940), (40, 297293), (76, 156470), (95, 125176), (152, 78235), (190, 62588), (380, 31294), (760, 15647)]