19379840

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 46928160

約数和(自身を除く): 27548320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 283, 320, 428, 535, 566, 640, 856, 1070, 1132, 1415, 1712, 2140, 2264, 2830, 3424, 4280, 4528, 5660, 6848, 8560, 9056, 11320, 13696, 17120, 18112, 22640, 30281, 34240, 36224, 45280, 60562, 68480, 90560, 121124, 151405, 181120, 242248, 302810, 484496, 605620, 968992, 1211240, 1937984, 2422480, 3875968, 4844960, 9689920, 19379840]

約数ペア:

[(1, 19379840), (2, 9689920), (4, 4844960), (5, 3875968), (8, 2422480), (10, 1937984), (16, 1211240), (20, 968992), (32, 605620), (40, 484496), (64, 302810), (80, 242248), (107, 181120), (128, 151405), (160, 121124), (214, 90560), (283, 68480), (320, 60562), (428, 45280), (535, 36224), (566, 34240), (640, 30281), (856, 22640), (1070, 18112), (1132, 17120), (1415, 13696), (1712, 11320), (2140, 9056), (2264, 8560), (2830, 6848), (3424, 5660), (4280, 4528)]