19904384

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6761}}^1$

素因数の和:6798

約数の個数: 32

約数和(自身を含む): 41383440

約数和(自身を除く): 21479056

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6761, 13522, 27044, 54088, 108176, 155503, 216352, 311006, 432704, 622012, 865408, 1244024, 2488048, 4976096, 9952192, 19904384]

約数ペア:

[(1, 19904384), (2, 9952192), (4, 4976096), (8, 2488048), (16, 1244024), (23, 865408), (32, 622012), (46, 432704), (64, 311006), (92, 216352), (128, 155503), (184, 108176), (368, 54088), (736, 27044), (1472, 13522), (2944, 6761)]