19771721284

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{677021}}^1$

素因数の和:677188

約数の個数: 36

約数和(自身を含む): 40519766700

約数和(自身を除く): 20748045416

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 1043, 2086, 4172, 7301, 14602, 29204, 677021, 1354042, 2708084, 4739147, 9478294, 18956588, 33174029, 66348058, 100876129, 132696116, 201752258, 403504516, 706132903, 1412265806, 2824531612, 4942930321, 9885860642, 19771721284]

約数ペア:

[(1, 19771721284), (2, 9885860642), (4, 4942930321), (7, 2824531612), (14, 1412265806), (28, 706132903), (49, 403504516), (98, 201752258), (149, 132696116), (196, 100876129), (298, 66348058), (596, 33174029), (1043, 18956588), (2086, 9478294), (4172, 4739147), (7301, 2708084), (14602, 1354042), (29204, 677021)]