19724308

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2179}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 36135680

約数和(自身を除く): 16411372

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2179, 2263, 4358, 4526, 8716, 9052, 67549, 135098, 159067, 270196, 318134, 636268, 4931077, 9862154, 19724308]

約数ペア:

[(1, 19724308), (2, 9862154), (4, 4931077), (31, 636268), (62, 318134), (73, 270196), (124, 159067), (146, 135098), (292, 67549), (2179, 9052), (2263, 8716), (4358, 4526)]