19538012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5147}}^1$

素因数の和:5237

約数の個数: 24

約数和(自身を含む): 37333296

約数和(自身を除く): 17795284

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5147, 10294, 20588, 66911, 133822, 267644, 375731, 751462, 1502924, 4884503, 9769006, 19538012]

約数ペア:

[(1, 19538012), (2, 9769006), (4, 4884503), (13, 1502924), (26, 751462), (52, 375731), (73, 267644), (146, 133822), (292, 66911), (949, 20588), (1898, 10294), (3796, 5147)]