18786934

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 30942720

約数和(自身を除く): 12155786

約数列:

[1, 2, 19, 38, 47, 67, 94, 134, 157, 314, 893, 1273, 1786, 2546, 2983, 3149, 5966, 6298, 7379, 10519, 14758, 21038, 59831, 119662, 140201, 199861, 280402, 399722, 494393, 988786, 9393467, 18786934]

約数ペア:

[(1, 18786934), (2, 9393467), (19, 988786), (38, 494393), (47, 399722), (67, 280402), (94, 199861), (134, 140201), (157, 119662), (314, 59831), (893, 21038), (1273, 14758), (1786, 10519), (2546, 7379), (2983, 6298), (3149, 5966)]