18366880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 144

約数和(自身を含む): 53512704

約数和(自身を除く): 35145824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 160, 161, 184, 217, 224, 230, 248, 280, 310, 322, 368, 434, 460, 496, 529, 560, 620, 644, 713, 736, 805, 868, 920, 992, 1058, 1085, 1120, 1240, 1288, 1426, 1610, 1736, 1840, 2116, 2170, 2480, 2576, 2645, 2852, 3220, 3472, 3565, 3680, 3703, 4232, 4340, 4960, 4991, 5152, 5290, 5704, 6440, 6944, 7130, 7406, 8464, 8680, 9982, 10580, 11408, 12880, 14260, 14812, 16399, 16928, 17360, 18515, 19964, 21160, 22816, 24955, 25760, 28520, 29624, 32798, 34720, 37030, 39928, 42320, 49910, 57040, 59248, 65596, 74060, 79856, 81995, 84640, 99820, 114080, 114793, 118496, 131192, 148120, 159712, 163990, 199640, 229586, 262384, 296240, 327980, 399280, 459172, 524768, 573965, 592480, 655960, 798560, 918344, 1147930, 1311920, 1836688, 2295860, 2623840, 3673376, 4591720, 9183440, 18366880]

約数ペア:

[(1, 18366880), (2, 9183440), (4, 4591720), (5, 3673376), (7, 2623840), (8, 2295860), (10, 1836688), (14, 1311920), (16, 1147930), (20, 918344), (23, 798560), (28, 655960), (31, 592480), (32, 573965), (35, 524768), (40, 459172), (46, 399280), (56, 327980), (62, 296240), (70, 262384), (80, 229586), (92, 199640), (112, 163990), (115, 159712), (124, 148120), (140, 131192), (155, 118496), (160, 114793), (161, 114080), (184, 99820), (217, 84640), (224, 81995), (230, 79856), (248, 74060), (280, 65596), (310, 59248), (322, 57040), (368, 49910), (434, 42320), (460, 39928), (496, 37030), (529, 34720), (560, 32798), (620, 29624), (644, 28520), (713, 25760), (736, 24955), (805, 22816), (868, 21160), (920, 19964), (992, 18515), (1058, 17360), (1085, 16928), (1120, 16399), (1240, 14812), (1288, 14260), (1426, 12880), (1610, 11408), (1736, 10580), (1840, 9982), (2116, 8680), (2170, 8464), (2480, 7406), (2576, 7130), (2645, 6944), (2852, 6440), (3220, 5704), (3472, 5290), (3565, 5152), (3680, 4991), (3703, 4960), (4232, 4340)]