72013420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{189509}}^1$

素因数の和:189537

約数の個数: 24

約数和(自身を含む): 159188400

約数和(自身を除く): 87174980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 189509, 379018, 758036, 947545, 1895090, 3600671, 3790180, 7201342, 14402684, 18003355, 36006710, 72013420]

約数ペア:

[(1, 72013420), (2, 36006710), (4, 18003355), (5, 14402684), (10, 7201342), (19, 3790180), (20, 3600671), (38, 1895090), (76, 947545), (95, 758036), (190, 379018), (380, 189509)]