19843712

素因数分解:

$2^7\times 7^1\times {\mathrm{22147}}^1$

素因数の和:22168

約数の個数: 32

約数和(自身を含む): 45181920

約数和(自身を除く): 25338208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22147, 44294, 88588, 155029, 177176, 310058, 354352, 620116, 708704, 1240232, 1417408, 2480464, 2834816, 4960928, 9921856, 19843712]

約数ペア:

[(1, 19843712), (2, 9921856), (4, 4960928), (7, 2834816), (8, 2480464), (14, 1417408), (16, 1240232), (28, 708704), (32, 620116), (56, 354352), (64, 310058), (112, 177176), (128, 155029), (224, 88588), (448, 44294), (896, 22147)]