19862640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{563}}^1$

素因数の和:596

約数の個数: 180

約数和(自身を含む): 77733864

約数和(自身を除く): 57871224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 563, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1126, 1176, 1260, 1470, 1680, 1689, 1764, 1960, 2205, 2252, 2352, 2520, 2815, 2940, 3378, 3528, 3920, 3941, 4410, 4504, 5040, 5067, 5630, 5880, 6756, 7056, 7882, 8445, 8820, 9008, 10134, 11260, 11760, 11823, 13512, 15764, 16890, 17640, 19705, 20268, 22520, 23646, 25335, 27024, 27587, 31528, 33780, 35280, 35469, 39410, 40536, 45040, 47292, 50670, 55174, 59115, 63056, 67560, 70938, 78820, 81072, 82761, 94584, 101340, 110348, 118230, 135120, 137935, 141876, 157640, 165522, 177345, 189168, 202680, 220696, 236460, 248283, 275870, 283752, 315280, 331044, 354690, 405360, 413805, 441392, 472920, 496566, 551740, 567504, 662088, 709380, 827610, 945840, 993132, 1103480, 1241415, 1324176, 1418760, 1655220, 1986264, 2206960, 2482830, 2837520, 3310440, 3972528, 4965660, 6620880, 9931320, 19862640]

約数ペア:

[(1, 19862640), (2, 9931320), (3, 6620880), (4, 4965660), (5, 3972528), (6, 3310440), (7, 2837520), (8, 2482830), (9, 2206960), (10, 1986264), (12, 1655220), (14, 1418760), (15, 1324176), (16, 1241415), (18, 1103480), (20, 993132), (21, 945840), (24, 827610), (28, 709380), (30, 662088), (35, 567504), (36, 551740), (40, 496566), (42, 472920), (45, 441392), (48, 413805), (49, 405360), (56, 354690), (60, 331044), (63, 315280), (70, 283752), (72, 275870), (80, 248283), (84, 236460), (90, 220696), (98, 202680), (105, 189168), (112, 177345), (120, 165522), (126, 157640), (140, 141876), (144, 137935), (147, 135120), (168, 118230), (180, 110348), (196, 101340), (210, 94584), (240, 82761), (245, 81072), (252, 78820), (280, 70938), (294, 67560), (315, 63056), (336, 59115), (360, 55174), (392, 50670), (420, 47292), (441, 45040), (490, 40536), (504, 39410), (560, 35469), (563, 35280), (588, 33780), (630, 31528), (720, 27587), (735, 27024), (784, 25335), (840, 23646), (882, 22520), (980, 20268), (1008, 19705), (1126, 17640), (1176, 16890), (1260, 15764), (1470, 13512), (1680, 11823), (1689, 11760), (1764, 11260), (1960, 10134), (2205, 9008), (2252, 8820), (2352, 8445), (2520, 7882), (2815, 7056), (2940, 6756), (3378, 5880), (3528, 5630), (3920, 5067), (3941, 5040), (4410, 4504)]