19268375

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 29480256

約数和(自身を除く): 10211881

約数列:

[1, 5, 7, 19, 25, 35, 61, 95, 125, 133, 175, 305, 361, 427, 475, 665, 875, 1159, 1525, 1805, 2135, 2375, 2527, 3325, 5795, 7625, 8113, 9025, 10675, 12635, 16625, 22021, 28975, 40565, 45125, 53375, 63175, 110105, 144875, 154147, 202825, 315875, 550525, 770735, 1014125, 2752625, 3853675, 19268375]

約数ペア:

[(1, 19268375), (5, 3853675), (7, 2752625), (19, 1014125), (25, 770735), (35, 550525), (61, 315875), (95, 202825), (125, 154147), (133, 144875), (175, 110105), (305, 63175), (361, 53375), (427, 45125), (475, 40565), (665, 28975), (875, 22021), (1159, 16625), (1525, 12635), (1805, 10675), (2135, 9025), (2375, 8113), (2527, 7625), (3325, 5795)]