18518552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 39584160

約数和(自身を除く): 21065608

約数列:

[1, 2, 4, 8, 13, 26, 41, 43, 52, 82, 86, 101, 104, 164, 172, 202, 328, 344, 404, 533, 559, 808, 1066, 1118, 1313, 1763, 2132, 2236, 2626, 3526, 4141, 4264, 4343, 4472, 5252, 7052, 8282, 8686, 10504, 14104, 16564, 17372, 22919, 33128, 34744, 45838, 53833, 56459, 91676, 107666, 112918, 178063, 183352, 215332, 225836, 356126, 430664, 451672, 712252, 1424504, 2314819, 4629638, 9259276, 18518552]

約数ペア:

[(1, 18518552), (2, 9259276), (4, 4629638), (8, 2314819), (13, 1424504), (26, 712252), (41, 451672), (43, 430664), (52, 356126), (82, 225836), (86, 215332), (101, 183352), (104, 178063), (164, 112918), (172, 107666), (202, 91676), (328, 56459), (344, 53833), (404, 45838), (533, 34744), (559, 33128), (808, 22919), (1066, 17372), (1118, 16564), (1313, 14104), (1763, 10504), (2132, 8686), (2236, 8282), (2626, 7052), (3526, 5252), (4141, 4472), (4264, 4343)]