18393958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 13124762

約数列:

[1, 2, 11, 22, 37, 59, 74, 118, 383, 407, 649, 766, 814, 1298, 2183, 4213, 4366, 8426, 14171, 22597, 24013, 28342, 45194, 48026, 155881, 248567, 311762, 497134, 836089, 1672178, 9196979, 18393958]

約数ペア:

[(1, 18393958), (2, 9196979), (11, 1672178), (22, 836089), (37, 497134), (59, 311762), (74, 248567), (118, 155881), (383, 48026), (407, 45194), (649, 28342), (766, 24013), (814, 22597), (1298, 14171), (2183, 8426), (4213, 4366)]