18492880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33023}}^1$

素因数の和:33043

約数の個数: 40

約数和(自身を含む): 49139712

約数和(自身を除く): 30646832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33023, 66046, 132092, 165115, 231161, 264184, 330230, 462322, 528368, 660460, 924644, 1155805, 1320920, 1849288, 2311610, 2641840, 3698576, 4623220, 9246440, 18492880]

約数ペア:

[(1, 18492880), (2, 9246440), (4, 4623220), (5, 3698576), (7, 2641840), (8, 2311610), (10, 1849288), (14, 1320920), (16, 1155805), (20, 924644), (28, 660460), (35, 528368), (40, 462322), (56, 330230), (70, 264184), (80, 231161), (112, 165115), (140, 132092), (280, 66046), (560, 33023)]