19969326

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1481

約数の個数: 48

約数和(自身を含む): 47392800

約数和(自身を除く): 27423474

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1399, 1586, 2379, 2798, 4197, 4758, 7137, 8394, 12591, 14274, 18187, 25182, 36374, 54561, 85339, 109122, 163683, 170678, 256017, 327366, 512034, 768051, 1109407, 1536102, 2218814, 3328221, 6656442, 9984663, 19969326]

約数ペア:

[(1, 19969326), (2, 9984663), (3, 6656442), (6, 3328221), (9, 2218814), (13, 1536102), (18, 1109407), (26, 768051), (39, 512034), (61, 327366), (78, 256017), (117, 170678), (122, 163683), (183, 109122), (234, 85339), (366, 54561), (549, 36374), (793, 25182), (1098, 18187), (1399, 14274), (1586, 12591), (2379, 8394), (2798, 7137), (4197, 4758)]