19551390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21023}}^1$

素因数の和:21064

約数の個数: 32

約数和(自身を含む): 48439296

約数和(自身を除く): 28887906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21023, 42046, 63069, 105115, 126138, 210230, 315345, 630690, 651713, 1303426, 1955139, 3258565, 3910278, 6517130, 9775695, 19551390]

約数ペア:

[(1, 19551390), (2, 9775695), (3, 6517130), (5, 3910278), (6, 3258565), (10, 1955139), (15, 1303426), (30, 651713), (31, 630690), (62, 315345), (93, 210230), (155, 126138), (186, 105115), (310, 63069), (465, 42046), (930, 21023)]