18830140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7079}}^1$

素因数の和:7114

約数の個数: 48

約数和(自身を含む): 47577600

約数和(自身を除く): 28747460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7079, 14158, 28316, 35395, 49553, 70790, 99106, 134501, 141580, 198212, 247765, 269002, 495530, 538004, 672505, 941507, 991060, 1345010, 1883014, 2690020, 3766028, 4707535, 9415070, 18830140]

約数ペア:

[(1, 18830140), (2, 9415070), (4, 4707535), (5, 3766028), (7, 2690020), (10, 1883014), (14, 1345010), (19, 991060), (20, 941507), (28, 672505), (35, 538004), (38, 495530), (70, 269002), (76, 247765), (95, 198212), (133, 141580), (140, 134501), (190, 99106), (266, 70790), (380, 49553), (532, 35395), (665, 28316), (1330, 14158), (2660, 7079)]