19146140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 43629600

約数和(自身を除く): 24483460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 349, 422, 698, 844, 1055, 1396, 1745, 2110, 2743, 3490, 4220, 4537, 5486, 6980, 9074, 10972, 13715, 18148, 22685, 27430, 45370, 54860, 73639, 90740, 147278, 294556, 368195, 736390, 957307, 1472780, 1914614, 3829228, 4786535, 9573070, 19146140]

約数ペア:

[(1, 19146140), (2, 9573070), (4, 4786535), (5, 3829228), (10, 1914614), (13, 1472780), (20, 957307), (26, 736390), (52, 368195), (65, 294556), (130, 147278), (211, 90740), (260, 73639), (349, 54860), (422, 45370), (698, 27430), (844, 22685), (1055, 18148), (1396, 13715), (1745, 10972), (2110, 9074), (2743, 6980), (3490, 5486), (4220, 4537)]