18048520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 47099520

約数和(自身を除く): 29051000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 883, 1022, 1460, 1766, 2044, 2555, 2920, 3532, 4088, 4415, 5110, 6181, 7064, 8830, 10220, 12362, 17660, 20440, 24724, 30905, 35320, 49448, 61810, 64459, 123620, 128918, 247240, 257836, 322295, 451213, 515672, 644590, 902426, 1289180, 1804852, 2256065, 2578360, 3609704, 4512130, 9024260, 18048520]

約数ペア:

[(1, 18048520), (2, 9024260), (4, 4512130), (5, 3609704), (7, 2578360), (8, 2256065), (10, 1804852), (14, 1289180), (20, 902426), (28, 644590), (35, 515672), (40, 451213), (56, 322295), (70, 257836), (73, 247240), (140, 128918), (146, 123620), (280, 64459), (292, 61810), (365, 49448), (511, 35320), (584, 30905), (730, 24724), (883, 20440), (1022, 17660), (1460, 12362), (1766, 10220), (2044, 8830), (2555, 7064), (2920, 6181), (3532, 5110), (4088, 4415)]