19657189825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{18743}}^1$

素因数の和:19234

約数の個数: 48

約数和(自身を含む): 30066575616

約数和(自身を除く): 10409385791

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 461, 2275, 2305, 3227, 5993, 11525, 16135, 18743, 29965, 41951, 80675, 93715, 131201, 149825, 209755, 243659, 468575, 656005, 1048775, 1218295, 1705613, 3280025, 6091475, 8528065, 8640523, 42640325, 43202615, 60483661, 112326799, 216013075, 302418305, 561633995, 786287593, 1512091525, 2808169975, 3931437965, 19657189825]

約数ペア:

[(1, 19657189825), (5, 3931437965), (7, 2808169975), (13, 1512091525), (25, 786287593), (35, 561633995), (65, 302418305), (91, 216013075), (175, 112326799), (325, 60483661), (455, 43202615), (461, 42640325), (2275, 8640523), (2305, 8528065), (3227, 6091475), (5993, 3280025), (11525, 1705613), (16135, 1218295), (18743, 1048775), (29965, 656005), (41951, 468575), (80675, 243659), (93715, 209755), (131201, 149825)]