19464516

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{4871}}^1$

素因数の和:4921

約数の個数: 48

約数和(自身を含む): 51838080

約数和(自身を除く): 32373564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 4871, 9742, 14613, 19484, 29226, 43839, 58452, 87678, 131517, 175356, 180227, 263034, 360454, 526068, 540681, 720908, 1081362, 1622043, 2162724, 3244086, 4866129, 6488172, 9732258, 19464516]

約数ペア:

[(1, 19464516), (2, 9732258), (3, 6488172), (4, 4866129), (6, 3244086), (9, 2162724), (12, 1622043), (18, 1081362), (27, 720908), (36, 540681), (37, 526068), (54, 360454), (74, 263034), (108, 180227), (111, 175356), (148, 131517), (222, 87678), (333, 58452), (444, 43839), (666, 29226), (999, 19484), (1332, 14613), (1998, 9742), (3996, 4871)]