18543328

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 20647712

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 89, 136, 178, 272, 356, 383, 544, 712, 766, 1424, 1513, 1532, 2848, 3026, 3064, 6052, 6128, 6511, 12104, 12256, 13022, 24208, 26044, 34087, 48416, 52088, 68174, 104176, 136348, 208352, 272696, 545392, 579479, 1090784, 1158958, 2317916, 4635832, 9271664, 18543328]

約数ペア:

[(1, 18543328), (2, 9271664), (4, 4635832), (8, 2317916), (16, 1158958), (17, 1090784), (32, 579479), (34, 545392), (68, 272696), (89, 208352), (136, 136348), (178, 104176), (272, 68174), (356, 52088), (383, 48416), (544, 34087), (712, 26044), (766, 24208), (1424, 13022), (1513, 12256), (1532, 12104), (2848, 6511), (3026, 6128), (3064, 6052)]