19682768

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5669}}^1$

素因数の和:5715

約数の個数: 40

約数和(自身を含む): 44997120

約数和(自身を除く): 25314352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5669, 11338, 22676, 39683, 45352, 79366, 90704, 158732, 175739, 317464, 351478, 634928, 702956, 1230173, 1405912, 2460346, 2811824, 4920692, 9841384, 19682768]

約数ペア:

[(1, 19682768), (2, 9841384), (4, 4920692), (7, 2811824), (8, 2460346), (14, 1405912), (16, 1230173), (28, 702956), (31, 634928), (56, 351478), (62, 317464), (112, 175739), (124, 158732), (217, 90704), (248, 79366), (434, 45352), (496, 39683), (868, 22676), (1736, 11338), (3472, 5669)]