19899360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1063}}^1$

素因数の和:1097

約数の個数: 144

約数和(自身を含む): 73198944

約数和(自身を除く): 53299584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1063, 1170, 1248, 1440, 1560, 1872, 2080, 2126, 2340, 3120, 3189, 3744, 4252, 4680, 5315, 6240, 6378, 8504, 9360, 9567, 10630, 12756, 13819, 15945, 17008, 18720, 19134, 21260, 25512, 27638, 31890, 34016, 38268, 41457, 42520, 47835, 51024, 55276, 63780, 69095, 76536, 82914, 85040, 95670, 102048, 110552, 124371, 127560, 138190, 153072, 165828, 170080, 191340, 207285, 221104, 248742, 255120, 276380, 306144, 331656, 382680, 414570, 442208, 497484, 510240, 552760, 621855, 663312, 765360, 829140, 994968, 1105520, 1243710, 1326624, 1530720, 1658280, 1989936, 2211040, 2487420, 3316560, 3979872, 4974840, 6633120, 9949680, 19899360]

約数ペア:

[(1, 19899360), (2, 9949680), (3, 6633120), (4, 4974840), (5, 3979872), (6, 3316560), (8, 2487420), (9, 2211040), (10, 1989936), (12, 1658280), (13, 1530720), (15, 1326624), (16, 1243710), (18, 1105520), (20, 994968), (24, 829140), (26, 765360), (30, 663312), (32, 621855), (36, 552760), (39, 510240), (40, 497484), (45, 442208), (48, 414570), (52, 382680), (60, 331656), (65, 306144), (72, 276380), (78, 255120), (80, 248742), (90, 221104), (96, 207285), (104, 191340), (117, 170080), (120, 165828), (130, 153072), (144, 138190), (156, 127560), (160, 124371), (180, 110552), (195, 102048), (208, 95670), (234, 85040), (240, 82914), (260, 76536), (288, 69095), (312, 63780), (360, 55276), (390, 51024), (416, 47835), (468, 42520), (480, 41457), (520, 38268), (585, 34016), (624, 31890), (720, 27638), (780, 25512), (936, 21260), (1040, 19134), (1063, 18720), (1170, 17008), (1248, 15945), (1440, 13819), (1560, 12756), (1872, 10630), (2080, 9567), (2126, 9360), (2340, 8504), (3120, 6378), (3189, 6240), (3744, 5315), (4252, 4680)]