19864080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:653

約数の個数: 120

約数和(自身を含む): 68245632

約数和(自身を除く): 48381552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 587, 705, 720, 752, 846, 940, 1128, 1174, 1410, 1692, 1761, 1880, 2115, 2256, 2348, 2820, 2935, 3384, 3522, 3760, 4230, 4696, 5283, 5640, 5870, 6768, 7044, 8460, 8805, 9392, 10566, 11280, 11740, 14088, 16920, 17610, 21132, 23480, 26415, 27589, 28176, 33840, 35220, 42264, 46960, 52830, 55178, 70440, 82767, 84528, 105660, 110356, 137945, 140880, 165534, 211320, 220712, 248301, 275890, 331068, 413835, 422640, 441424, 496602, 551780, 662136, 827670, 993204, 1103560, 1241505, 1324272, 1655340, 1986408, 2207120, 2483010, 3310680, 3972816, 4966020, 6621360, 9932040, 19864080]

約数ペア:

[(1, 19864080), (2, 9932040), (3, 6621360), (4, 4966020), (5, 3972816), (6, 3310680), (8, 2483010), (9, 2207120), (10, 1986408), (12, 1655340), (15, 1324272), (16, 1241505), (18, 1103560), (20, 993204), (24, 827670), (30, 662136), (36, 551780), (40, 496602), (45, 441424), (47, 422640), (48, 413835), (60, 331068), (72, 275890), (80, 248301), (90, 220712), (94, 211320), (120, 165534), (141, 140880), (144, 137945), (180, 110356), (188, 105660), (235, 84528), (240, 82767), (282, 70440), (360, 55178), (376, 52830), (423, 46960), (470, 42264), (564, 35220), (587, 33840), (705, 28176), (720, 27589), (752, 26415), (846, 23480), (940, 21132), (1128, 17610), (1174, 16920), (1410, 14088), (1692, 11740), (1761, 11280), (1880, 10566), (2115, 9392), (2256, 8805), (2348, 8460), (2820, 7044), (2935, 6768), (3384, 5870), (3522, 5640), (3760, 5283), (4230, 4696)]