18906160

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 160

約数和(自身を含む): 56246400

約数和(自身を除く): 37340240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 53, 56, 65, 70, 80, 91, 98, 104, 106, 112, 130, 140, 182, 196, 208, 212, 245, 260, 265, 280, 343, 364, 371, 392, 424, 455, 490, 520, 530, 560, 637, 686, 689, 728, 742, 784, 848, 910, 980, 1040, 1060, 1274, 1372, 1378, 1456, 1484, 1715, 1820, 1855, 1960, 2120, 2548, 2597, 2744, 2756, 2968, 3185, 3430, 3445, 3640, 3710, 3920, 4240, 4459, 4823, 5096, 5194, 5488, 5512, 5936, 6370, 6860, 6890, 7280, 7420, 8918, 9646, 10192, 10388, 11024, 12740, 12985, 13720, 13780, 14840, 17836, 18179, 19292, 20776, 22295, 24115, 25480, 25970, 27440, 27560, 29680, 33761, 35672, 36358, 38584, 41552, 44590, 48230, 50960, 51940, 55120, 67522, 71344, 72716, 77168, 89180, 90895, 96460, 103880, 135044, 145432, 168805, 178360, 181790, 192920, 207760, 236327, 270088, 290864, 337610, 356720, 363580, 385840, 472654, 540176, 675220, 727160, 945308, 1181635, 1350440, 1454320, 1890616, 2363270, 2700880, 3781232, 4726540, 9453080, 18906160]

約数ペア:

[(1, 18906160), (2, 9453080), (4, 4726540), (5, 3781232), (7, 2700880), (8, 2363270), (10, 1890616), (13, 1454320), (14, 1350440), (16, 1181635), (20, 945308), (26, 727160), (28, 675220), (35, 540176), (40, 472654), (49, 385840), (52, 363580), (53, 356720), (56, 337610), (65, 290864), (70, 270088), (80, 236327), (91, 207760), (98, 192920), (104, 181790), (106, 178360), (112, 168805), (130, 145432), (140, 135044), (182, 103880), (196, 96460), (208, 90895), (212, 89180), (245, 77168), (260, 72716), (265, 71344), (280, 67522), (343, 55120), (364, 51940), (371, 50960), (392, 48230), (424, 44590), (455, 41552), (490, 38584), (520, 36358), (530, 35672), (560, 33761), (637, 29680), (686, 27560), (689, 27440), (728, 25970), (742, 25480), (784, 24115), (848, 22295), (910, 20776), (980, 19292), (1040, 18179), (1060, 17836), (1274, 14840), (1372, 13780), (1378, 13720), (1456, 12985), (1484, 12740), (1715, 11024), (1820, 10388), (1855, 10192), (1960, 9646), (2120, 8918), (2548, 7420), (2597, 7280), (2744, 6890), (2756, 6860), (2968, 6370), (3185, 5936), (3430, 5512), (3445, 5488), (3640, 5194), (3710, 5096), (3920, 4823), (4240, 4459)]