19771108

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:844

約数の個数: 36

約数和(自身を含む): 40578300

約数和(自身を除く): 20807192

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 677, 1043, 1354, 2086, 2708, 4172, 4739, 7301, 9478, 14602, 18956, 29204, 33173, 66346, 100873, 132692, 201746, 403492, 706111, 1412222, 2824444, 4942777, 9885554, 19771108]

約数ペア:

[(1, 19771108), (2, 9885554), (4, 4942777), (7, 2824444), (14, 1412222), (28, 706111), (49, 403492), (98, 201746), (149, 132692), (196, 100873), (298, 66346), (596, 33173), (677, 29204), (1043, 18956), (1354, 14602), (2086, 9478), (2708, 7301), (4172, 4739)]