19440850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2719}}^1$

素因数の和:2755

約数の個数: 48

約数和(自身を含む): 42497280

約数和(自身を除く): 23056430

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2719, 3575, 5438, 7150, 13595, 27190, 29909, 35347, 59818, 67975, 70694, 135950, 149545, 176735, 299090, 353470, 388817, 747725, 777634, 883675, 1495450, 1767350, 1944085, 3888170, 9720425, 19440850]

約数ペア:

[(1, 19440850), (2, 9720425), (5, 3888170), (10, 1944085), (11, 1767350), (13, 1495450), (22, 883675), (25, 777634), (26, 747725), (50, 388817), (55, 353470), (65, 299090), (110, 176735), (130, 149545), (143, 135950), (275, 70694), (286, 67975), (325, 59818), (550, 35347), (650, 29909), (715, 27190), (1430, 13595), (2719, 7150), (3575, 5438)]