18840132

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 49454496

約数和(自身を除く): 30614364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 73, 107, 134, 146, 201, 214, 219, 268, 292, 321, 402, 428, 438, 603, 642, 657, 804, 876, 963, 1206, 1284, 1314, 1926, 2412, 2628, 3852, 4891, 7169, 7811, 9782, 14338, 14673, 15622, 19564, 21507, 23433, 28676, 29346, 31244, 43014, 44019, 46866, 58692, 64521, 70299, 86028, 88038, 93732, 129042, 140598, 176076, 258084, 281196, 523337, 1046674, 1570011, 2093348, 3140022, 4710033, 6280044, 9420066, 18840132]

約数ペア:

[(1, 18840132), (2, 9420066), (3, 6280044), (4, 4710033), (6, 3140022), (9, 2093348), (12, 1570011), (18, 1046674), (36, 523337), (67, 281196), (73, 258084), (107, 176076), (134, 140598), (146, 129042), (201, 93732), (214, 88038), (219, 86028), (268, 70299), (292, 64521), (321, 58692), (402, 46866), (428, 44019), (438, 43014), (603, 31244), (642, 29346), (657, 28676), (804, 23433), (876, 21507), (963, 19564), (1206, 15622), (1284, 14673), (1314, 14338), (1926, 9782), (2412, 7811), (2628, 7169), (3852, 4891)]