18201040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 160

約数和(自身を含む): 52246656

約数和(自身を除く): 34045616

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 37, 40, 43, 44, 52, 55, 65, 74, 80, 86, 88, 104, 110, 130, 143, 148, 172, 176, 185, 208, 215, 220, 260, 286, 296, 344, 370, 407, 430, 440, 473, 481, 520, 559, 572, 592, 688, 715, 740, 814, 860, 880, 946, 962, 1040, 1118, 1144, 1430, 1480, 1591, 1628, 1720, 1892, 1924, 2035, 2236, 2288, 2365, 2405, 2795, 2860, 2960, 3182, 3256, 3440, 3784, 3848, 4070, 4472, 4730, 4810, 5291, 5590, 5720, 6149, 6364, 6512, 7568, 7696, 7955, 8140, 8944, 9460, 9620, 10582, 11180, 11440, 12298, 12728, 15910, 16280, 17501, 18920, 19240, 20683, 21164, 22360, 24596, 25456, 26455, 30745, 31820, 32560, 35002, 37840, 38480, 41366, 42328, 44720, 49192, 52910, 61490, 63640, 70004, 82732, 84656, 87505, 98384, 103415, 105820, 122980, 127280, 140008, 165464, 175010, 206830, 211640, 227513, 245960, 280016, 330928, 350020, 413660, 423280, 455026, 491920, 700040, 827320, 910052, 1137565, 1400080, 1654640, 1820104, 2275130, 3640208, 4550260, 9100520, 18201040]

約数ペア:

[(1, 18201040), (2, 9100520), (4, 4550260), (5, 3640208), (8, 2275130), (10, 1820104), (11, 1654640), (13, 1400080), (16, 1137565), (20, 910052), (22, 827320), (26, 700040), (37, 491920), (40, 455026), (43, 423280), (44, 413660), (52, 350020), (55, 330928), (65, 280016), (74, 245960), (80, 227513), (86, 211640), (88, 206830), (104, 175010), (110, 165464), (130, 140008), (143, 127280), (148, 122980), (172, 105820), (176, 103415), (185, 98384), (208, 87505), (215, 84656), (220, 82732), (260, 70004), (286, 63640), (296, 61490), (344, 52910), (370, 49192), (407, 44720), (430, 42328), (440, 41366), (473, 38480), (481, 37840), (520, 35002), (559, 32560), (572, 31820), (592, 30745), (688, 26455), (715, 25456), (740, 24596), (814, 22360), (860, 21164), (880, 20683), (946, 19240), (962, 18920), (1040, 17501), (1118, 16280), (1144, 15910), (1430, 12728), (1480, 12298), (1591, 11440), (1628, 11180), (1720, 10582), (1892, 9620), (1924, 9460), (2035, 8944), (2236, 8140), (2288, 7955), (2365, 7696), (2405, 7568), (2795, 6512), (2860, 6364), (2960, 6149), (3182, 5720), (3256, 5590), (3440, 5291), (3784, 4810), (3848, 4730), (4070, 4472)]