19843974

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{4129}}^1$

素因数の和:4229

約数の個数: 32

約数和(自身を含む): 44604000

約数和(自身を除く): 24760026

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 801, 1602, 2403, 4129, 4806, 8258, 12387, 24774, 37161, 74322, 111483, 222966, 367481, 734962, 1102443, 2204886, 3307329, 6614658, 9921987, 19843974]

約数ペア:

[(1, 19843974), (2, 9921987), (3, 6614658), (6, 3307329), (9, 2204886), (18, 1102443), (27, 734962), (54, 367481), (89, 222966), (178, 111483), (267, 74322), (534, 37161), (801, 24774), (1602, 12387), (2403, 8258), (4129, 4806)]