18157160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3413}}^1$

素因数の和:3450

約数の個数: 64

約数和(自身を含む): 49161600

約数和(自身を除く): 31004440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3413, 5320, 6826, 13652, 17065, 23891, 27304, 34130, 47782, 64847, 68260, 95564, 119455, 129694, 136520, 191128, 238910, 259388, 324235, 453929, 477820, 518776, 648470, 907858, 955640, 1296940, 1815716, 2269645, 2593880, 3631432, 4539290, 9078580, 18157160]

約数ペア:

[(1, 18157160), (2, 9078580), (4, 4539290), (5, 3631432), (7, 2593880), (8, 2269645), (10, 1815716), (14, 1296940), (19, 955640), (20, 907858), (28, 648470), (35, 518776), (38, 477820), (40, 453929), (56, 324235), (70, 259388), (76, 238910), (95, 191128), (133, 136520), (140, 129694), (152, 119455), (190, 95564), (266, 68260), (280, 64847), (380, 47782), (532, 34130), (665, 27304), (760, 23891), (1064, 17065), (1330, 13652), (2660, 6826), (3413, 5320)]