19774150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 40555440

約数和(自身を除く): 20781290

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 157, 229, 275, 314, 458, 550, 785, 1145, 1570, 1727, 2290, 2519, 3454, 3925, 5038, 5725, 7850, 8635, 11450, 12595, 17270, 25190, 35953, 43175, 62975, 71906, 86350, 125950, 179765, 359530, 395483, 790966, 898825, 1797650, 1977415, 3954830, 9887075, 19774150]

約数ペア:

[(1, 19774150), (2, 9887075), (5, 3954830), (10, 1977415), (11, 1797650), (22, 898825), (25, 790966), (50, 395483), (55, 359530), (110, 179765), (157, 125950), (229, 86350), (275, 71906), (314, 62975), (458, 43175), (550, 35953), (785, 25190), (1145, 17270), (1570, 12595), (1727, 11450), (2290, 8635), (2519, 7850), (3454, 5725), (3925, 5038)]