19619115

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 35804160

約数和(自身を除く): 16185045

約数列:

[1, 3, 5, 15, 19, 23, 41, 57, 69, 73, 95, 115, 123, 205, 219, 285, 345, 365, 437, 615, 779, 943, 1095, 1311, 1387, 1679, 2185, 2337, 2829, 2993, 3895, 4161, 4715, 5037, 6555, 6935, 8395, 8979, 11685, 14145, 14965, 17917, 20805, 25185, 31901, 44895, 53751, 56867, 68839, 89585, 95703, 159505, 170601, 206517, 268755, 284335, 344195, 478515, 853005, 1032585, 1307941, 3923823, 6539705, 19619115]

約数ペア:

[(1, 19619115), (3, 6539705), (5, 3923823), (15, 1307941), (19, 1032585), (23, 853005), (41, 478515), (57, 344195), (69, 284335), (73, 268755), (95, 206517), (115, 170601), (123, 159505), (205, 95703), (219, 89585), (285, 68839), (345, 56867), (365, 53751), (437, 44895), (615, 31901), (779, 25185), (943, 20805), (1095, 17917), (1311, 14965), (1387, 14145), (1679, 11685), (2185, 8979), (2337, 8395), (2829, 6935), (2993, 6555), (3895, 5037), (4161, 4715)]