19851966

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 80

約数和(自身を含む): 47393280

約数和(自身を除く): 27541314

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 59, 62, 67, 81, 93, 118, 134, 162, 177, 186, 201, 279, 354, 402, 531, 558, 603, 837, 1062, 1206, 1593, 1674, 1809, 1829, 2077, 2511, 3186, 3618, 3658, 3953, 4154, 4779, 5022, 5427, 5487, 6231, 7906, 9558, 10854, 10974, 11859, 12462, 16461, 18693, 23718, 32922, 35577, 37386, 49383, 56079, 71154, 98766, 106731, 112158, 122543, 148149, 168237, 213462, 245086, 296298, 320193, 336474, 367629, 640386, 735258, 1102887, 2205774, 3308661, 6617322, 9925983, 19851966]

約数ペア:

[(1, 19851966), (2, 9925983), (3, 6617322), (6, 3308661), (9, 2205774), (18, 1102887), (27, 735258), (31, 640386), (54, 367629), (59, 336474), (62, 320193), (67, 296298), (81, 245086), (93, 213462), (118, 168237), (134, 148149), (162, 122543), (177, 112158), (186, 106731), (201, 98766), (279, 71154), (354, 56079), (402, 49383), (531, 37386), (558, 35577), (603, 32922), (837, 23718), (1062, 18693), (1206, 16461), (1593, 12462), (1674, 11859), (1809, 10974), (1829, 10854), (2077, 9558), (2511, 7906), (3186, 6231), (3618, 5487), (3658, 5427), (3953, 5022), (4154, 4779)]