19495060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 44600976

約数和(自身を除く): 25105916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 773, 970, 1261, 1546, 1940, 2522, 3092, 3865, 5044, 6305, 7730, 10049, 12610, 15460, 20098, 25220, 40196, 50245, 74981, 100490, 149962, 200980, 299924, 374905, 749810, 974753, 1499620, 1949506, 3899012, 4873765, 9747530, 19495060]

約数ペア:

[(1, 19495060), (2, 9747530), (4, 4873765), (5, 3899012), (10, 1949506), (13, 1499620), (20, 974753), (26, 749810), (52, 374905), (65, 299924), (97, 200980), (130, 149962), (194, 100490), (260, 74981), (388, 50245), (485, 40196), (773, 25220), (970, 20098), (1261, 15460), (1546, 12610), (1940, 10049), (2522, 7730), (3092, 6305), (3865, 5044)]