19870996

素因数分解:

$2^2\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 15521900

約数列:

[1, 2, 4, 151, 167, 197, 302, 334, 394, 604, 668, 788, 25217, 29747, 32899, 50434, 59494, 65798, 100868, 118988, 131596, 4967749, 9935498, 19870996]

約数ペア:

[(1, 19870996), (2, 9935498), (4, 4967749), (151, 131596), (167, 118988), (197, 100868), (302, 65798), (334, 59494), (394, 50434), (604, 32899), (668, 29747), (788, 25217)]