19910354724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1467017}}^1$

素因数の和:1467069

約数の個数: 72

約数和(自身を含む): 56069427960

約数和(自身を除く): 36159073236

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2262, 3393, 4524, 6786, 13572, 1467017, 2934034, 4401051, 5868068, 8802102, 13203153, 17604204, 19071221, 26406306, 38142442, 42543493, 52812612, 57213663, 76284884, 85086986, 114427326, 127630479, 170173972, 171640989, 228854652, 255260958, 343281978, 382891437, 510521916, 553065409, 686563956, 765782874, 1106130818, 1531565748, 1659196227, 2212261636, 3318392454, 4977588681, 6636784908, 9955177362, 19910354724]

約数ペア:

[(1, 19910354724), (2, 9955177362), (3, 6636784908), (4, 4977588681), (6, 3318392454), (9, 2212261636), (12, 1659196227), (13, 1531565748), (18, 1106130818), (26, 765782874), (29, 686563956), (36, 553065409), (39, 510521916), (52, 382891437), (58, 343281978), (78, 255260958), (87, 228854652), (116, 171640989), (117, 170173972), (156, 127630479), (174, 114427326), (234, 85086986), (261, 76284884), (348, 57213663), (377, 52812612), (468, 42543493), (522, 38142442), (754, 26406306), (1044, 19071221), (1131, 17604204), (1508, 13203153), (2262, 8802102), (3393, 5868068), (4524, 4401051), (6786, 2934034), (13572, 1467017)]