2018907225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20533}}^1$

素因数の和:20591

約数の個数: 72

約数和(自身を含む): 3972096960

約数和(自身を除く): 1953189735

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 57, 69, 75, 95, 115, 171, 207, 225, 285, 345, 437, 475, 575, 855, 1035, 1311, 1425, 1725, 2185, 3933, 4275, 5175, 6555, 10925, 19665, 20533, 32775, 61599, 98325, 102665, 184797, 307995, 390127, 472259, 513325, 923985, 1170381, 1416777, 1539975, 1950635, 2361295, 3511143, 4250331, 4619925, 5851905, 7083885, 8972921, 9753175, 11806475, 17555715, 21251655, 26918763, 29259525, 35419425, 44864605, 80756289, 87778575, 106258275, 134593815, 224323025, 403781445, 672969075, 2018907225]

約数ペア:

[(1, 2018907225), (3, 672969075), (5, 403781445), (9, 224323025), (15, 134593815), (19, 106258275), (23, 87778575), (25, 80756289), (45, 44864605), (57, 35419425), (69, 29259525), (75, 26918763), (95, 21251655), (115, 17555715), (171, 11806475), (207, 9753175), (225, 8972921), (285, 7083885), (345, 5851905), (437, 4619925), (475, 4250331), (575, 3511143), (855, 2361295), (1035, 1950635), (1311, 1539975), (1425, 1416777), (1725, 1170381), (2185, 923985), (3933, 513325), (4275, 472259), (5175, 390127), (6555, 307995), (10925, 184797), (19665, 102665), (20533, 98325), (32775, 61599)]