19447450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1903

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 22112390

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 1861, 2090, 3722, 5225, 9305, 10450, 18610, 20471, 35359, 40942, 46525, 70718, 93050, 102355, 176795, 204710, 353590, 388949, 511775, 777898, 883975, 1023550, 1767950, 1944745, 3889490, 9723725, 19447450]

約数ペア:

[(1, 19447450), (2, 9723725), (5, 3889490), (10, 1944745), (11, 1767950), (19, 1023550), (22, 883975), (25, 777898), (38, 511775), (50, 388949), (55, 353590), (95, 204710), (110, 176795), (190, 102355), (209, 93050), (275, 70718), (418, 46525), (475, 40942), (550, 35359), (950, 20471), (1045, 18610), (1861, 10450), (2090, 9305), (3722, 5225)]