19431204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 51988608

約数和(自身を除く): 32557404

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 289, 431, 442, 578, 663, 862, 867, 884, 1156, 1293, 1326, 1724, 1734, 2586, 2652, 3468, 3757, 5172, 5603, 7327, 7514, 11206, 11271, 14654, 15028, 16809, 21981, 22412, 22542, 29308, 33618, 43962, 45084, 67236, 87924, 95251, 124559, 190502, 249118, 285753, 373677, 381004, 498236, 571506, 747354, 1143012, 1494708, 1619267, 3238534, 4857801, 6477068, 9715602, 19431204]

約数ペア:

[(1, 19431204), (2, 9715602), (3, 6477068), (4, 4857801), (6, 3238534), (12, 1619267), (13, 1494708), (17, 1143012), (26, 747354), (34, 571506), (39, 498236), (51, 381004), (52, 373677), (68, 285753), (78, 249118), (102, 190502), (156, 124559), (204, 95251), (221, 87924), (289, 67236), (431, 45084), (442, 43962), (578, 33618), (663, 29308), (862, 22542), (867, 22412), (884, 21981), (1156, 16809), (1293, 15028), (1326, 14654), (1724, 11271), (1734, 11206), (2586, 7514), (2652, 7327), (3468, 5603), (3757, 5172)]