19818498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 49206528

約数和(自身を除く): 29388030

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 41, 42, 51, 82, 102, 119, 123, 238, 246, 287, 357, 574, 677, 697, 714, 861, 1354, 1394, 1722, 2031, 2091, 4062, 4182, 4739, 4879, 9478, 9758, 11509, 14217, 14637, 23018, 27757, 28434, 29274, 34527, 55514, 69054, 80563, 83271, 161126, 166542, 194299, 241689, 388598, 471869, 483378, 582897, 943738, 1165794, 1415607, 2831214, 3303083, 6606166, 9909249, 19818498]

約数ペア:

[(1, 19818498), (2, 9909249), (3, 6606166), (6, 3303083), (7, 2831214), (14, 1415607), (17, 1165794), (21, 943738), (34, 582897), (41, 483378), (42, 471869), (51, 388598), (82, 241689), (102, 194299), (119, 166542), (123, 161126), (238, 83271), (246, 80563), (287, 69054), (357, 55514), (574, 34527), (677, 29274), (697, 28434), (714, 27757), (861, 23018), (1354, 14637), (1394, 14217), (1722, 11509), (2031, 9758), (2091, 9478), (4062, 4879), (4182, 4739)]