19441440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:631

約数の個数: 144

約数和(自身を含む): 69346368

約数和(自身を除く): 49904928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 587, 690, 720, 736, 828, 920, 1035, 1104, 1174, 1380, 1440, 1656, 1761, 1840, 2070, 2208, 2348, 2760, 2935, 3312, 3522, 3680, 4140, 4696, 5283, 5520, 5870, 6624, 7044, 8280, 8805, 9392, 10566, 11040, 11740, 13501, 14088, 16560, 17610, 18784, 21132, 23480, 26415, 27002, 28176, 33120, 35220, 40503, 42264, 46960, 52830, 54004, 56352, 67505, 70440, 81006, 84528, 93920, 105660, 108008, 121509, 135010, 140880, 162012, 169056, 202515, 211320, 216016, 243018, 270020, 281760, 324024, 405030, 422640, 432032, 486036, 540040, 607545, 648048, 810060, 845280, 972072, 1080080, 1215090, 1296096, 1620120, 1944144, 2160160, 2430180, 3240240, 3888288, 4860360, 6480480, 9720720, 19441440]

約数ペア:

[(1, 19441440), (2, 9720720), (3, 6480480), (4, 4860360), (5, 3888288), (6, 3240240), (8, 2430180), (9, 2160160), (10, 1944144), (12, 1620120), (15, 1296096), (16, 1215090), (18, 1080080), (20, 972072), (23, 845280), (24, 810060), (30, 648048), (32, 607545), (36, 540040), (40, 486036), (45, 432032), (46, 422640), (48, 405030), (60, 324024), (69, 281760), (72, 270020), (80, 243018), (90, 216016), (92, 211320), (96, 202515), (115, 169056), (120, 162012), (138, 140880), (144, 135010), (160, 121509), (180, 108008), (184, 105660), (207, 93920), (230, 84528), (240, 81006), (276, 70440), (288, 67505), (345, 56352), (360, 54004), (368, 52830), (414, 46960), (460, 42264), (480, 40503), (552, 35220), (587, 33120), (690, 28176), (720, 27002), (736, 26415), (828, 23480), (920, 21132), (1035, 18784), (1104, 17610), (1174, 16560), (1380, 14088), (1440, 13501), (1656, 11740), (1761, 11040), (1840, 10566), (2070, 9392), (2208, 8805), (2348, 8280), (2760, 7044), (2935, 6624), (3312, 5870), (3522, 5520), (3680, 5283), (4140, 4696)]