19761540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{883}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 55543488

約数和(自身を除く): 35781948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 373, 746, 883, 1119, 1492, 1766, 1865, 2238, 2649, 3532, 3730, 4415, 4476, 5298, 5595, 7460, 8830, 10596, 11190, 13245, 17660, 22380, 26490, 52980, 329359, 658718, 988077, 1317436, 1646795, 1976154, 3293590, 3952308, 4940385, 6587180, 9880770, 19761540]

約数ペア:

[(1, 19761540), (2, 9880770), (3, 6587180), (4, 4940385), (5, 3952308), (6, 3293590), (10, 1976154), (12, 1646795), (15, 1317436), (20, 988077), (30, 658718), (60, 329359), (373, 52980), (746, 26490), (883, 22380), (1119, 17660), (1492, 13245), (1766, 11190), (1865, 10596), (2238, 8830), (2649, 7460), (3532, 5595), (3730, 5298), (4415, 4476)]