19808282

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 33106752

約数和(自身を除く): 13298470

約数列:

[1, 2, 13, 26, 67, 83, 134, 137, 166, 274, 871, 1079, 1742, 1781, 2158, 3562, 5561, 9179, 11122, 11371, 18358, 22742, 72293, 119327, 144586, 147823, 238654, 295646, 761857, 1523714, 9904141, 19808282]

約数ペア:

[(1, 19808282), (2, 9904141), (13, 1523714), (26, 761857), (67, 295646), (83, 238654), (134, 147823), (137, 144586), (166, 119327), (274, 72293), (871, 22742), (1079, 18358), (1742, 11371), (1781, 11122), (2158, 9179), (3562, 5561)]