19613824

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4943}}^1$

素因数の和:4988

約数の個数: 32

約数和(自身を含む): 40343040

約数和(自身を除く): 20729216

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4943, 9886, 19772, 39544, 79088, 153233, 158176, 306466, 316352, 612932, 632704, 1225864, 2451728, 4903456, 9806912, 19613824]

約数ペア:

[(1, 19613824), (2, 9806912), (4, 4903456), (8, 2451728), (16, 1225864), (31, 632704), (32, 612932), (62, 316352), (64, 306466), (124, 158176), (128, 153233), (248, 79088), (496, 39544), (992, 19772), (1984, 9886), (3968, 4943)]