19121500

素因数分解:

$2^2\times 5^3\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 42194880

約数和(自身を除く): 23073380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 167, 229, 250, 334, 458, 500, 668, 835, 916, 1145, 1670, 2290, 3340, 4175, 4580, 5725, 8350, 11450, 16700, 20875, 22900, 28625, 38243, 41750, 57250, 76486, 83500, 114500, 152972, 191215, 382430, 764860, 956075, 1912150, 3824300, 4780375, 9560750, 19121500]

約数ペア:

[(1, 19121500), (2, 9560750), (4, 4780375), (5, 3824300), (10, 1912150), (20, 956075), (25, 764860), (50, 382430), (100, 191215), (125, 152972), (167, 114500), (229, 83500), (250, 76486), (334, 57250), (458, 41750), (500, 38243), (668, 28625), (835, 22900), (916, 20875), (1145, 16700), (1670, 11450), (2290, 8350), (3340, 5725), (4175, 4580)]