19884536

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5821}}^1$

素因数の和:5895

約数の個数: 32

約数和(自身を含む): 43315680

約数和(自身を除く): 23431144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5821, 11642, 23284, 40747, 46568, 81494, 162988, 325976, 355081, 710162, 1420324, 2485567, 2840648, 4971134, 9942268, 19884536]

約数ペア:

[(1, 19884536), (2, 9942268), (4, 4971134), (7, 2840648), (8, 2485567), (14, 1420324), (28, 710162), (56, 355081), (61, 325976), (122, 162988), (244, 81494), (427, 46568), (488, 40747), (854, 23284), (1708, 11642), (3416, 5821)]