19581354

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 47361132

約数和(自身を除く): 27779778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 157, 169, 234, 246, 314, 338, 369, 471, 507, 533, 738, 942, 1014, 1066, 1413, 1521, 1599, 2041, 2826, 3042, 3198, 4082, 4797, 6123, 6437, 6929, 9594, 12246, 12874, 13858, 18369, 19311, 20787, 26533, 36738, 38622, 41574, 53066, 57933, 62361, 79599, 83681, 115866, 124722, 159198, 167362, 238797, 251043, 477594, 502086, 753129, 1087853, 1506258, 2175706, 3263559, 6527118, 9790677, 19581354]

約数ペア:

[(1, 19581354), (2, 9790677), (3, 6527118), (6, 3263559), (9, 2175706), (13, 1506258), (18, 1087853), (26, 753129), (39, 502086), (41, 477594), (78, 251043), (82, 238797), (117, 167362), (123, 159198), (157, 124722), (169, 115866), (234, 83681), (246, 79599), (314, 62361), (338, 57933), (369, 53066), (471, 41574), (507, 38622), (533, 36738), (738, 26533), (942, 20787), (1014, 19311), (1066, 18369), (1413, 13858), (1521, 12874), (1599, 12246), (2041, 9594), (2826, 6929), (3042, 6437), (3198, 6123), (4082, 4797)]