19048653

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 32091696

約数和(自身を除く): 13043043

約数列:

[1, 3, 9, 13, 17, 39, 51, 61, 117, 153, 157, 183, 221, 471, 549, 663, 793, 1037, 1413, 1989, 2041, 2379, 2669, 3111, 6123, 7137, 8007, 9333, 9577, 13481, 18369, 24021, 28731, 34697, 40443, 86193, 104091, 121329, 124501, 162809, 312273, 373503, 488427, 1120509, 1465281, 2116517, 6349551, 19048653]

約数ペア:

[(1, 19048653), (3, 6349551), (9, 2116517), (13, 1465281), (17, 1120509), (39, 488427), (51, 373503), (61, 312273), (117, 162809), (153, 124501), (157, 121329), (183, 104091), (221, 86193), (471, 40443), (549, 34697), (663, 28731), (793, 24021), (1037, 18369), (1413, 13481), (1989, 9577), (2041, 9333), (2379, 8007), (2669, 7137), (3111, 6123)]