1917961773

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{983}}^1\times {\mathrm{1021}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 3210028416

約数和(自身を除く): 1292066643

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 983, 1021, 1911, 2949, 3063, 6881, 7147, 12779, 13273, 20643, 21441, 38337, 39819, 48167, 50029, 89453, 92911, 144501, 150087, 268359, 278733, 626171, 650377, 1003643, 1878513, 1951131, 3010929, 7025501, 13047359, 21076503, 39142077, 49178507, 91331513, 147535521, 273994539, 639320591, 1917961773]

約数ペア:

[(1, 1917961773), (3, 639320591), (7, 273994539), (13, 147535521), (21, 91331513), (39, 49178507), (49, 39142077), (91, 21076503), (147, 13047359), (273, 7025501), (637, 3010929), (983, 1951131), (1021, 1878513), (1911, 1003643), (2949, 650377), (3063, 626171), (6881, 278733), (7147, 268359), (12779, 150087), (13273, 144501), (20643, 92911), (21441, 89453), (38337, 50029), (39819, 48167)]