19857996

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{8233}}^1$

素因数の和:8310

約数の個数: 36

約数和(自身を含む): 50951992

約数和(自身を除く): 31093996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 8233, 16466, 24699, 32932, 49398, 74097, 98796, 148194, 296388, 551611, 1103222, 1654833, 2206444, 3309666, 4964499, 6619332, 9928998, 19857996]

約数ペア:

[(1, 19857996), (2, 9928998), (3, 6619332), (4, 4964499), (6, 3309666), (9, 2206444), (12, 1654833), (18, 1103222), (36, 551611), (67, 296388), (134, 148194), (201, 98796), (268, 74097), (402, 49398), (603, 32932), (804, 24699), (1206, 16466), (2412, 8233)]