1938973816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{305639}}^1$

素因数の和:305719

約数の個数: 32

約数和(自身を含む): 3979432800

約数和(自身を除く): 2040458984

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 305639, 611278, 1222556, 2445112, 3973307, 7946614, 15893228, 18643979, 31786456, 37287958, 74575916, 149151832, 242371727, 484743454, 969486908, 1938973816]

約数ペア:

[(1, 1938973816), (2, 969486908), (4, 484743454), (8, 242371727), (13, 149151832), (26, 74575916), (52, 37287958), (61, 31786456), (104, 18643979), (122, 15893228), (244, 7946614), (488, 3973307), (793, 2445112), (1586, 1222556), (3172, 611278), (6344, 305639)]