18356260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4153}}^1$

素因数の和:4192

約数の個数: 48

約数和(自身を含む): 43965936

約数和(自身を除く): 25609676

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4153, 4420, 8306, 16612, 20765, 41530, 53989, 70601, 83060, 107978, 141202, 215956, 269945, 282404, 353005, 539890, 706010, 917813, 1079780, 1412020, 1835626, 3671252, 4589065, 9178130, 18356260]

約数ペア:

[(1, 18356260), (2, 9178130), (4, 4589065), (5, 3671252), (10, 1835626), (13, 1412020), (17, 1079780), (20, 917813), (26, 706010), (34, 539890), (52, 353005), (65, 282404), (68, 269945), (85, 215956), (130, 141202), (170, 107978), (221, 83060), (260, 70601), (340, 53989), (442, 41530), (884, 20765), (1105, 16612), (2210, 8306), (4153, 4420)]