19191928

素因数分解:

$2^3\times 7^2\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 42250680

約数和(自身を除く): 23058752

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 173, 196, 283, 346, 392, 566, 692, 1132, 1211, 1384, 1981, 2264, 2422, 3962, 4844, 7924, 8477, 9688, 13867, 15848, 16954, 27734, 33908, 48959, 55468, 67816, 97918, 110936, 195836, 342713, 391672, 685426, 1370852, 2398991, 2741704, 4797982, 9595964, 19191928]

約数ペア:

[(1, 19191928), (2, 9595964), (4, 4797982), (7, 2741704), (8, 2398991), (14, 1370852), (28, 685426), (49, 391672), (56, 342713), (98, 195836), (173, 110936), (196, 97918), (283, 67816), (346, 55468), (392, 48959), (566, 33908), (692, 27734), (1132, 16954), (1211, 15848), (1384, 13867), (1981, 9688), (2264, 8477), (2422, 7924), (3962, 4844)]