19461225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 38727680

約数和(自身を除く): 19266455

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1951, 1995, 3325, 5853, 9755, 9975, 13657, 29265, 37069, 40971, 48775, 68285, 111207, 146325, 185345, 204855, 259483, 341425, 556035, 778449, 926725, 1024275, 1297415, 2780175, 3892245, 6487075, 19461225]

約数ペア:

[(1, 19461225), (3, 6487075), (5, 3892245), (7, 2780175), (15, 1297415), (19, 1024275), (21, 926725), (25, 778449), (35, 556035), (57, 341425), (75, 259483), (95, 204855), (105, 185345), (133, 146325), (175, 111207), (285, 68285), (399, 48775), (475, 40971), (525, 37069), (665, 29265), (1425, 13657), (1951, 9975), (1995, 9755), (3325, 5853)]