19783408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1103}}^1$

素因数の和:1189

約数の個数: 40

約数和(自身を含む): 41068800

約数和(自身を除く): 21285392

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1103, 1121, 2206, 2242, 4412, 4484, 8824, 8968, 17648, 17936, 20957, 41914, 65077, 83828, 130154, 167656, 260308, 335312, 520616, 1041232, 1236463, 2472926, 4945852, 9891704, 19783408]

約数ペア:

[(1, 19783408), (2, 9891704), (4, 4945852), (8, 2472926), (16, 1236463), (19, 1041232), (38, 520616), (59, 335312), (76, 260308), (118, 167656), (152, 130154), (236, 83828), (304, 65077), (472, 41914), (944, 20957), (1103, 17936), (1121, 17648), (2206, 8968), (2242, 8824), (4412, 4484)]