18103808

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1898

約数の個数: 40

約数和(自身を含む): 38096520

約数和(自身を除く): 19992712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 1861, 2432, 3722, 4864, 7444, 9728, 14888, 29776, 35359, 59552, 70718, 119104, 141436, 238208, 282872, 476416, 565744, 952832, 1131488, 2262976, 4525952, 9051904, 18103808]

約数ペア:

[(1, 18103808), (2, 9051904), (4, 4525952), (8, 2262976), (16, 1131488), (19, 952832), (32, 565744), (38, 476416), (64, 282872), (76, 238208), (128, 141436), (152, 119104), (256, 70718), (304, 59552), (512, 35359), (608, 29776), (1216, 14888), (1861, 9728), (2432, 7444), (3722, 4864)]