19226988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2111}}^1$

素因数の和:2155

約数の個数: 72

約数和(自身を含む): 55351296

約数和(自身を除く): 36124308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2111, 2277, 3036, 4222, 4554, 6333, 8444, 9108, 12666, 18999, 23221, 25332, 37998, 46442, 48553, 69663, 75996, 92884, 97106, 139326, 145659, 194212, 208989, 278652, 291318, 417978, 436977, 534083, 582636, 835956, 873954, 1068166, 1602249, 1747908, 2136332, 3204498, 4806747, 6408996, 9613494, 19226988]

約数ペア:

[(1, 19226988), (2, 9613494), (3, 6408996), (4, 4806747), (6, 3204498), (9, 2136332), (11, 1747908), (12, 1602249), (18, 1068166), (22, 873954), (23, 835956), (33, 582636), (36, 534083), (44, 436977), (46, 417978), (66, 291318), (69, 278652), (92, 208989), (99, 194212), (132, 145659), (138, 139326), (198, 97106), (207, 92884), (253, 75996), (276, 69663), (396, 48553), (414, 46442), (506, 37998), (759, 25332), (828, 23221), (1012, 18999), (1518, 12666), (2111, 9108), (2277, 8444), (3036, 6333), (4222, 4554)]