19859460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3719}}^1$

素因数の和:3820

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 36386940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3719, 5340, 7438, 11157, 14876, 18595, 22314, 37190, 44628, 55785, 74380, 111570, 223140, 330991, 661982, 992973, 1323964, 1654955, 1985946, 3309910, 3971892, 4964865, 6619820, 9929730, 19859460]

約数ペア:

[(1, 19859460), (2, 9929730), (3, 6619820), (4, 4964865), (5, 3971892), (6, 3309910), (10, 1985946), (12, 1654955), (15, 1323964), (20, 992973), (30, 661982), (60, 330991), (89, 223140), (178, 111570), (267, 74380), (356, 55785), (445, 44628), (534, 37190), (890, 22314), (1068, 18595), (1335, 14876), (1780, 11157), (2670, 7438), (3719, 5340)]