19252480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 50497020

約数和(自身を除く): 31244540

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 89, 104, 128, 130, 160, 169, 178, 208, 256, 260, 320, 338, 356, 416, 445, 520, 640, 676, 712, 832, 845, 890, 1040, 1157, 1280, 1352, 1424, 1664, 1690, 1780, 2080, 2314, 2704, 2848, 3328, 3380, 3560, 4160, 4628, 5408, 5696, 5785, 6760, 7120, 8320, 9256, 10816, 11392, 11570, 13520, 14240, 15041, 16640, 18512, 21632, 22784, 23140, 27040, 28480, 30082, 37024, 43264, 46280, 54080, 56960, 60164, 74048, 75205, 92560, 108160, 113920, 120328, 148096, 150410, 185120, 216320, 240656, 296192, 300820, 370240, 481312, 601640, 740480, 962624, 1203280, 1480960, 1925248, 2406560, 3850496, 4813120, 9626240, 19252480]

約数ペア:

[(1, 19252480), (2, 9626240), (4, 4813120), (5, 3850496), (8, 2406560), (10, 1925248), (13, 1480960), (16, 1203280), (20, 962624), (26, 740480), (32, 601640), (40, 481312), (52, 370240), (64, 300820), (65, 296192), (80, 240656), (89, 216320), (104, 185120), (128, 150410), (130, 148096), (160, 120328), (169, 113920), (178, 108160), (208, 92560), (256, 75205), (260, 74048), (320, 60164), (338, 56960), (356, 54080), (416, 46280), (445, 43264), (520, 37024), (640, 30082), (676, 28480), (712, 27040), (832, 23140), (845, 22784), (890, 21632), (1040, 18512), (1157, 16640), (1280, 15041), (1352, 14240), (1424, 13520), (1664, 11570), (1690, 11392), (1780, 10816), (2080, 9256), (2314, 8320), (2704, 7120), (2848, 6760), (3328, 5785), (3380, 5696), (3560, 5408), (4160, 4628)]