19893120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:832

約数の個数: 128

約数和(自身を含む): 68372640

約数和(自身を除く): 48479520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 797, 832, 960, 1040, 1248, 1560, 1594, 1664, 1920, 2080, 2391, 2496, 3120, 3188, 3985, 4160, 4782, 4992, 6240, 6376, 7970, 8320, 9564, 10361, 11955, 12480, 12752, 15940, 19128, 20722, 23910, 24960, 25504, 31083, 31880, 38256, 41444, 47820, 51008, 51805, 62166, 63760, 76512, 82888, 95640, 102016, 103610, 124332, 127520, 153024, 155415, 165776, 191280, 207220, 248664, 255040, 306048, 310830, 331552, 382560, 414440, 497328, 510080, 621660, 663104, 765120, 828880, 994656, 1243320, 1326208, 1530240, 1657760, 1989312, 2486640, 3315520, 3978624, 4973280, 6631040, 9946560, 19893120]

約数ペア:

[(1, 19893120), (2, 9946560), (3, 6631040), (4, 4973280), (5, 3978624), (6, 3315520), (8, 2486640), (10, 1989312), (12, 1657760), (13, 1530240), (15, 1326208), (16, 1243320), (20, 994656), (24, 828880), (26, 765120), (30, 663104), (32, 621660), (39, 510080), (40, 497328), (48, 414440), (52, 382560), (60, 331552), (64, 310830), (65, 306048), (78, 255040), (80, 248664), (96, 207220), (104, 191280), (120, 165776), (128, 155415), (130, 153024), (156, 127520), (160, 124332), (192, 103610), (195, 102016), (208, 95640), (240, 82888), (260, 76512), (312, 63760), (320, 62166), (384, 51805), (390, 51008), (416, 47820), (480, 41444), (520, 38256), (624, 31880), (640, 31083), (780, 25504), (797, 24960), (832, 23910), (960, 20722), (1040, 19128), (1248, 15940), (1560, 12752), (1594, 12480), (1664, 11955), (1920, 10361), (2080, 9564), (2391, 8320), (2496, 7970), (3120, 6376), (3188, 6240), (3985, 4992), (4160, 4782)]