18141760

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 168

約数和(自身を含む): 54726840

約数和(自身を除く): 36585080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 89, 91, 98, 104, 112, 130, 140, 160, 178, 182, 196, 208, 224, 245, 260, 280, 320, 356, 364, 392, 416, 445, 448, 455, 490, 520, 560, 623, 637, 712, 728, 784, 832, 890, 910, 980, 1040, 1120, 1157, 1246, 1274, 1424, 1456, 1568, 1780, 1820, 1960, 2080, 2240, 2314, 2492, 2548, 2848, 2912, 3115, 3136, 3185, 3560, 3640, 3920, 4160, 4361, 4628, 4984, 5096, 5696, 5785, 5824, 6230, 6370, 7120, 7280, 7840, 8099, 8722, 9256, 9968, 10192, 11570, 12460, 12740, 14240, 14560, 15680, 16198, 17444, 18512, 19936, 20384, 21805, 23140, 24920, 25480, 28480, 29120, 32396, 34888, 37024, 39872, 40495, 40768, 43610, 46280, 49840, 50960, 56693, 64792, 69776, 74048, 80990, 87220, 92560, 99680, 101920, 113386, 129584, 139552, 161980, 174440, 185120, 199360, 203840, 226772, 259168, 279104, 283465, 323960, 348880, 370240, 453544, 518336, 566930, 647920, 697760, 907088, 1133860, 1295840, 1395520, 1814176, 2267720, 2591680, 3628352, 4535440, 9070880, 18141760]

約数ペア:

[(1, 18141760), (2, 9070880), (4, 4535440), (5, 3628352), (7, 2591680), (8, 2267720), (10, 1814176), (13, 1395520), (14, 1295840), (16, 1133860), (20, 907088), (26, 697760), (28, 647920), (32, 566930), (35, 518336), (40, 453544), (49, 370240), (52, 348880), (56, 323960), (64, 283465), (65, 279104), (70, 259168), (80, 226772), (89, 203840), (91, 199360), (98, 185120), (104, 174440), (112, 161980), (130, 139552), (140, 129584), (160, 113386), (178, 101920), (182, 99680), (196, 92560), (208, 87220), (224, 80990), (245, 74048), (260, 69776), (280, 64792), (320, 56693), (356, 50960), (364, 49840), (392, 46280), (416, 43610), (445, 40768), (448, 40495), (455, 39872), (490, 37024), (520, 34888), (560, 32396), (623, 29120), (637, 28480), (712, 25480), (728, 24920), (784, 23140), (832, 21805), (890, 20384), (910, 19936), (980, 18512), (1040, 17444), (1120, 16198), (1157, 15680), (1246, 14560), (1274, 14240), (1424, 12740), (1456, 12460), (1568, 11570), (1780, 10192), (1820, 9968), (1960, 9256), (2080, 8722), (2240, 8099), (2314, 7840), (2492, 7280), (2548, 7120), (2848, 6370), (2912, 6230), (3115, 5824), (3136, 5785), (3185, 5696), (3560, 5096), (3640, 4984), (3920, 4628), (4160, 4361)]