19156988895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1\times {\mathrm{3251}}^1$

素因数の和:3844

約数の個数: 64

約数和(自身を含む): 33986469888

約数和(自身を除く): 14829480993

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 503, 781, 1065, 1509, 2343, 2515, 3251, 3905, 5533, 7545, 9753, 11715, 16255, 16599, 27665, 35713, 35761, 48765, 82995, 107139, 107283, 178565, 178805, 230821, 392843, 535695, 536415, 692463, 1154105, 1178529, 1635253, 1964215, 2539031, 3462315, 4905759, 5892645, 7617093, 8176265, 12695155, 17987783, 24528795, 38085465, 53963349, 89938915, 116102963, 269816745, 348308889, 580514815, 1277132593, 1741544445, 3831397779, 6385662965, 19156988895]

約数ペア:

[(1, 19156988895), (3, 6385662965), (5, 3831397779), (11, 1741544445), (15, 1277132593), (33, 580514815), (55, 348308889), (71, 269816745), (165, 116102963), (213, 89938915), (355, 53963349), (503, 38085465), (781, 24528795), (1065, 17987783), (1509, 12695155), (2343, 8176265), (2515, 7617093), (3251, 5892645), (3905, 4905759), (5533, 3462315), (7545, 2539031), (9753, 1964215), (11715, 1635253), (16255, 1178529), (16599, 1154105), (27665, 692463), (35713, 536415), (35761, 535695), (48765, 392843), (82995, 230821), (107139, 178805), (107283, 178565)]