18403840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:122

約数の個数: 160

約数和(自身を含む): 54996480

約数和(自身を除く): 36592640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 79, 80, 91, 104, 112, 128, 130, 140, 158, 160, 182, 208, 224, 256, 260, 280, 316, 320, 364, 395, 416, 448, 455, 512, 520, 553, 560, 632, 640, 728, 790, 832, 896, 910, 1027, 1040, 1106, 1120, 1264, 1280, 1456, 1580, 1664, 1792, 1820, 2054, 2080, 2212, 2240, 2528, 2560, 2765, 2912, 3160, 3328, 3584, 3640, 4108, 4160, 4424, 4480, 5056, 5135, 5530, 5824, 6320, 6656, 7189, 7280, 8216, 8320, 8848, 8960, 10112, 10270, 11060, 11648, 12640, 14378, 14560, 16432, 16640, 17696, 17920, 20224, 20540, 22120, 23296, 25280, 28756, 29120, 32864, 33280, 35392, 35945, 40448, 41080, 44240, 46592, 50560, 57512, 58240, 65728, 70784, 71890, 82160, 88480, 101120, 115024, 116480, 131456, 141568, 143780, 164320, 176960, 202240, 230048, 232960, 262912, 283136, 287560, 328640, 353920, 460096, 525824, 575120, 657280, 707840, 920192, 1150240, 1314560, 1415680, 1840384, 2300480, 2629120, 3680768, 4600960, 9201920, 18403840]

約数ペア:

[(1, 18403840), (2, 9201920), (4, 4600960), (5, 3680768), (7, 2629120), (8, 2300480), (10, 1840384), (13, 1415680), (14, 1314560), (16, 1150240), (20, 920192), (26, 707840), (28, 657280), (32, 575120), (35, 525824), (40, 460096), (52, 353920), (56, 328640), (64, 287560), (65, 283136), (70, 262912), (79, 232960), (80, 230048), (91, 202240), (104, 176960), (112, 164320), (128, 143780), (130, 141568), (140, 131456), (158, 116480), (160, 115024), (182, 101120), (208, 88480), (224, 82160), (256, 71890), (260, 70784), (280, 65728), (316, 58240), (320, 57512), (364, 50560), (395, 46592), (416, 44240), (448, 41080), (455, 40448), (512, 35945), (520, 35392), (553, 33280), (560, 32864), (632, 29120), (640, 28756), (728, 25280), (790, 23296), (832, 22120), (896, 20540), (910, 20224), (1027, 17920), (1040, 17696), (1106, 16640), (1120, 16432), (1264, 14560), (1280, 14378), (1456, 12640), (1580, 11648), (1664, 11060), (1792, 10270), (1820, 10112), (2054, 8960), (2080, 8848), (2212, 8320), (2240, 8216), (2528, 7280), (2560, 7189), (2765, 6656), (2912, 6320), (3160, 5824), (3328, 5530), (3584, 5135), (3640, 5056), (4108, 4480), (4160, 4424)]