19705036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 39160800

約数和(自身を除く): 19455764

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 73, 116, 146, 179, 292, 358, 377, 716, 754, 949, 1508, 1898, 2117, 2327, 3796, 4234, 4654, 5191, 8468, 9308, 10382, 13067, 20764, 26134, 27521, 52268, 55042, 67483, 110084, 134966, 169871, 269932, 339742, 378943, 679484, 757886, 1515772, 4926259, 9852518, 19705036]

約数ペア:

[(1, 19705036), (2, 9852518), (4, 4926259), (13, 1515772), (26, 757886), (29, 679484), (52, 378943), (58, 339742), (73, 269932), (116, 169871), (146, 134966), (179, 110084), (292, 67483), (358, 55042), (377, 52268), (716, 27521), (754, 26134), (949, 20764), (1508, 13067), (1898, 10382), (2117, 9308), (2327, 8468), (3796, 5191), (4234, 4654)]