18928548

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 51243192

約数和(自身を除く): 32314644

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 157, 197, 204, 306, 314, 394, 471, 591, 612, 628, 788, 942, 1182, 1413, 1773, 1884, 2364, 2669, 2826, 3349, 3546, 5338, 5652, 6698, 7092, 8007, 10047, 10676, 13396, 16014, 20094, 24021, 30141, 30929, 32028, 40188, 48042, 60282, 61858, 92787, 96084, 120564, 123716, 185574, 278361, 371148, 525793, 556722, 1051586, 1113444, 1577379, 2103172, 3154758, 4732137, 6309516, 9464274, 18928548]

約数ペア:

[(1, 18928548), (2, 9464274), (3, 6309516), (4, 4732137), (6, 3154758), (9, 2103172), (12, 1577379), (17, 1113444), (18, 1051586), (34, 556722), (36, 525793), (51, 371148), (68, 278361), (102, 185574), (153, 123716), (157, 120564), (197, 96084), (204, 92787), (306, 61858), (314, 60282), (394, 48042), (471, 40188), (591, 32028), (612, 30929), (628, 30141), (788, 24021), (942, 20094), (1182, 16014), (1413, 13396), (1773, 10676), (1884, 10047), (2364, 8007), (2669, 7092), (2826, 6698), (3349, 5652), (3546, 5338)]