19630303

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 6289697

約数列:

[1, 7, 11, 29, 59, 77, 149, 203, 319, 413, 649, 1043, 1639, 1711, 2233, 4321, 4543, 8791, 11473, 11977, 18821, 30247, 47531, 61537, 96701, 131747, 254939, 332717, 676907, 1784573, 2804329, 19630303]

約数ペア:

[(1, 19630303), (7, 2804329), (11, 1784573), (29, 676907), (59, 332717), (77, 254939), (149, 131747), (203, 96701), (319, 61537), (413, 47531), (649, 30247), (1043, 18821), (1639, 11977), (1711, 11473), (2233, 8791), (4321, 4543)]