19494704

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8069}}^1$

素因数の和:8228

約数の個数: 20

約数和(自身を含む): 38025840

約数和(自身を除く): 18531136

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8069, 16138, 32276, 64552, 129104, 1218419, 2436838, 4873676, 9747352, 19494704]

約数ペア:

[(1, 19494704), (2, 9747352), (4, 4873676), (8, 2436838), (16, 1218419), (151, 129104), (302, 64552), (604, 32276), (1208, 16138), (2416, 8069)]