18715704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1103}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 54051840

約数和(自身を除く): 35336136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 101, 168, 202, 303, 404, 606, 707, 808, 1103, 1212, 1414, 2121, 2206, 2424, 2828, 3309, 4242, 4412, 5656, 6618, 7721, 8484, 8824, 13236, 15442, 16968, 23163, 26472, 30884, 46326, 61768, 92652, 111403, 185304, 222806, 334209, 445612, 668418, 779821, 891224, 1336836, 1559642, 2339463, 2673672, 3119284, 4678926, 6238568, 9357852, 18715704]

約数ペア:

[(1, 18715704), (2, 9357852), (3, 6238568), (4, 4678926), (6, 3119284), (7, 2673672), (8, 2339463), (12, 1559642), (14, 1336836), (21, 891224), (24, 779821), (28, 668418), (42, 445612), (56, 334209), (84, 222806), (101, 185304), (168, 111403), (202, 92652), (303, 61768), (404, 46326), (606, 30884), (707, 26472), (808, 23163), (1103, 16968), (1212, 15442), (1414, 13236), (2121, 8824), (2206, 8484), (2424, 7721), (2828, 6618), (3309, 5656), (4242, 4412)]