1819979930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2099}}^1\times {\mathrm{2797}}^1$

素因数の和:4934

約数の個数: 32

約数和(自身を含む): 3384460800

約数和(自身を除く): 1564480870

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 2099, 2797, 4198, 5594, 10495, 13985, 20990, 27970, 65069, 86707, 130138, 173414, 325345, 433535, 650690, 867070, 5870903, 11741806, 29354515, 58709030, 181997993, 363995986, 909989965, 1819979930]

約数ペア:

[(1, 1819979930), (2, 909989965), (5, 363995986), (10, 181997993), (31, 58709030), (62, 29354515), (155, 11741806), (310, 5870903), (2099, 867070), (2797, 650690), (4198, 433535), (5594, 325345), (10495, 173414), (13985, 130138), (20990, 86707), (27970, 65069)]