19994958

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 49144320

約数和(自身を除く): 29149362

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 69, 102, 138, 153, 207, 306, 391, 414, 459, 621, 782, 918, 947, 1173, 1242, 1894, 2346, 2841, 3519, 5682, 7038, 8523, 10557, 16099, 17046, 21114, 21781, 25569, 32198, 43562, 48297, 51138, 65343, 96594, 130686, 144891, 196029, 289782, 370277, 392058, 434673, 588087, 740554, 869346, 1110831, 1176174, 2221662, 3332493, 6664986, 9997479, 19994958]

約数ペア:

[(1, 19994958), (2, 9997479), (3, 6664986), (6, 3332493), (9, 2221662), (17, 1176174), (18, 1110831), (23, 869346), (27, 740554), (34, 588087), (46, 434673), (51, 392058), (54, 370277), (69, 289782), (102, 196029), (138, 144891), (153, 130686), (207, 96594), (306, 65343), (391, 51138), (414, 48297), (459, 43562), (621, 32198), (782, 25569), (918, 21781), (947, 21114), (1173, 17046), (1242, 16099), (1894, 10557), (2346, 8523), (2841, 7038), (3519, 5682)]