12419420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 28868448

約数和(自身を除く): 16449028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1291, 1924, 2405, 2582, 4810, 5164, 6455, 9620, 12910, 16783, 25820, 33566, 47767, 67132, 83915, 95534, 167830, 191068, 238835, 335660, 477670, 620971, 955340, 1241942, 2483884, 3104855, 6209710, 12419420]

約数ペア:

[(1, 12419420), (2, 6209710), (4, 3104855), (5, 2483884), (10, 1241942), (13, 955340), (20, 620971), (26, 477670), (37, 335660), (52, 238835), (65, 191068), (74, 167830), (130, 95534), (148, 83915), (185, 67132), (260, 47767), (370, 33566), (481, 25820), (740, 16783), (962, 12910), (1291, 9620), (1924, 6455), (2405, 5164), (2582, 4810)]