18978948

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3083}}^1$

素因数の和:3118

約数の個数: 60

約数和(自身を含む): 52242960

約数和(自身を除く): 33264012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3083, 6156, 6166, 9249, 12332, 18498, 27747, 36996, 55494, 58577, 83241, 110988, 117154, 166482, 175731, 234308, 249723, 332964, 351462, 499446, 527193, 702924, 998892, 1054386, 1581579, 2108772, 3163158, 4744737, 6326316, 9489474, 18978948]

約数ペア:

[(1, 18978948), (2, 9489474), (3, 6326316), (4, 4744737), (6, 3163158), (9, 2108772), (12, 1581579), (18, 1054386), (19, 998892), (27, 702924), (36, 527193), (38, 499446), (54, 351462), (57, 332964), (76, 249723), (81, 234308), (108, 175731), (114, 166482), (162, 117154), (171, 110988), (228, 83241), (324, 58577), (342, 55494), (513, 36996), (684, 27747), (1026, 18498), (1539, 12332), (2052, 9249), (3078, 6166), (3083, 6156)]