18380828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{659}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 34003200

約数和(自身を除く): 15622372

約数列:

[1, 2, 4, 19, 38, 76, 367, 659, 734, 1318, 1468, 2636, 6973, 12521, 13946, 25042, 27892, 50084, 241853, 483706, 967412, 4595207, 9190414, 18380828]

約数ペア:

[(1, 18380828), (2, 9190414), (4, 4595207), (19, 967412), (38, 483706), (76, 241853), (367, 50084), (659, 27892), (734, 25042), (1318, 13946), (1468, 12521), (2636, 6973)]