18860640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39293}}^1$

素因数の和:39311

約数の個数: 48

約数和(自身を含む): 59412528

約数和(自身を除く): 40551888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39293, 78586, 117879, 157172, 196465, 235758, 314344, 392930, 471516, 589395, 628688, 785860, 943032, 1178790, 1257376, 1571720, 1886064, 2357580, 3143440, 3772128, 4715160, 6286880, 9430320, 18860640]

約数ペア:

[(1, 18860640), (2, 9430320), (3, 6286880), (4, 4715160), (5, 3772128), (6, 3143440), (8, 2357580), (10, 1886064), (12, 1571720), (15, 1257376), (16, 1178790), (20, 943032), (24, 785860), (30, 628688), (32, 589395), (40, 471516), (48, 392930), (60, 314344), (80, 235758), (96, 196465), (120, 157172), (160, 117879), (240, 78586), (480, 39293)]