18391672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 37573200

約数和(自身を除く): 19181528

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 1987, 2314, 3974, 4628, 7948, 9256, 15896, 25831, 51662, 103324, 176843, 206648, 353686, 707372, 1414744, 2298959, 4597918, 9195836, 18391672]

約数ペア:

[(1, 18391672), (2, 9195836), (4, 4597918), (8, 2298959), (13, 1414744), (26, 707372), (52, 353686), (89, 206648), (104, 176843), (178, 103324), (356, 51662), (712, 25831), (1157, 15896), (1987, 9256), (2314, 7948), (3974, 4628)]