19661936

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:862

約数の個数: 60

約数和(自身を含む): 45800640

約数和(自身を除く): 26138704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 809, 868, 1519, 1618, 1736, 3038, 3236, 3472, 5663, 6076, 6472, 11326, 12152, 12944, 22652, 24304, 25079, 39641, 45304, 50158, 79282, 90608, 100316, 158564, 175553, 200632, 317128, 351106, 401264, 634256, 702212, 1228871, 1404424, 2457742, 2808848, 4915484, 9830968, 19661936]

約数ペア:

[(1, 19661936), (2, 9830968), (4, 4915484), (7, 2808848), (8, 2457742), (14, 1404424), (16, 1228871), (28, 702212), (31, 634256), (49, 401264), (56, 351106), (62, 317128), (98, 200632), (112, 175553), (124, 158564), (196, 100316), (217, 90608), (248, 79282), (392, 50158), (434, 45304), (496, 39641), (784, 25079), (809, 24304), (868, 22652), (1519, 12944), (1618, 12152), (1736, 11326), (3038, 6472), (3236, 6076), (3472, 5663)]