18729478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 13065722

約数列:

[1, 2, 17, 19, 34, 38, 79, 158, 323, 367, 646, 734, 1343, 1501, 2686, 3002, 6239, 6973, 12478, 13946, 25517, 28993, 51034, 57986, 118541, 237082, 492881, 550867, 985762, 1101734, 9364739, 18729478]

約数ペア:

[(1, 18729478), (2, 9364739), (17, 1101734), (19, 985762), (34, 550867), (38, 492881), (79, 237082), (158, 118541), (323, 57986), (367, 51034), (646, 28993), (734, 25517), (1343, 13946), (1501, 12478), (2686, 6973), (3002, 6239)]