19786370

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 17469310

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 769, 830, 1538, 2573, 3845, 5146, 7690, 12865, 23839, 25730, 47678, 63827, 119195, 127654, 238390, 319135, 638270, 1978637, 3957274, 9893185, 19786370]

約数ペア:

[(1, 19786370), (2, 9893185), (5, 3957274), (10, 1978637), (31, 638270), (62, 319135), (83, 238390), (155, 127654), (166, 119195), (310, 63827), (415, 47678), (769, 25730), (830, 23839), (1538, 12865), (2573, 7690), (3845, 5146)]