19578807

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 30028800

約数和(自身を除く): 10449993

約数列:

[1, 3, 9, 27, 67, 79, 137, 201, 237, 411, 603, 711, 1233, 1809, 2133, 3699, 5293, 9179, 10823, 15879, 27537, 32469, 47637, 82611, 97407, 142911, 247833, 292221, 725141, 2175423, 6526269, 19578807]

約数ペア:

[(1, 19578807), (3, 6526269), (9, 2175423), (27, 725141), (67, 292221), (79, 247833), (137, 142911), (201, 97407), (237, 82611), (411, 47637), (603, 32469), (711, 27537), (1233, 15879), (1809, 10823), (2133, 9179), (3699, 5293)]