18378837088

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:609

約数の個数: 144

約数和(自身を含む): 39775926960

約数和(自身を除く): 21397089872

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 86, 113, 136, 172, 226, 272, 289, 344, 409, 452, 544, 578, 688, 731, 818, 904, 1156, 1376, 1462, 1636, 1808, 1921, 2312, 2924, 3272, 3616, 3842, 4624, 4859, 5848, 6544, 6953, 7684, 9248, 9718, 11696, 12427, 13088, 13906, 15368, 17587, 19436, 23392, 24854, 27812, 30736, 32657, 35174, 38872, 46217, 49708, 55624, 61472, 65314, 70348, 77744, 82603, 92434, 99416, 111248, 118201, 130628, 140696, 155488, 165206, 184868, 198832, 222496, 236402, 261256, 281392, 298979, 330412, 369736, 397664, 472804, 522512, 562784, 597958, 660824, 739472, 785689, 945608, 1045024, 1195916, 1321648, 1404251, 1478944, 1571378, 1891216, 1987331, 2391832, 2643296, 2808502, 3142756, 3782432, 3974662, 4783664, 5082643, 5617004, 6285512, 7949324, 9567328, 10165286, 11234008, 12571024, 13356713, 15898648, 20330572, 22468016, 25142048, 26713426, 31797296, 33784627, 40661144, 44936032, 53426852, 63594592, 67569254, 81322288, 106853704, 135138508, 162644576, 213707408, 270277016, 427414816, 540554032, 574338659, 1081108064, 1148677318, 2297354636, 4594709272, 9189418544, 18378837088]

約数ペア:

[(1, 18378837088), (2, 9189418544), (4, 4594709272), (8, 2297354636), (16, 1148677318), (17, 1081108064), (32, 574338659), (34, 540554032), (43, 427414816), (68, 270277016), (86, 213707408), (113, 162644576), (136, 135138508), (172, 106853704), (226, 81322288), (272, 67569254), (289, 63594592), (344, 53426852), (409, 44936032), (452, 40661144), (544, 33784627), (578, 31797296), (688, 26713426), (731, 25142048), (818, 22468016), (904, 20330572), (1156, 15898648), (1376, 13356713), (1462, 12571024), (1636, 11234008), (1808, 10165286), (1921, 9567328), (2312, 7949324), (2924, 6285512), (3272, 5617004), (3616, 5082643), (3842, 4783664), (4624, 3974662), (4859, 3782432), (5848, 3142756), (6544, 2808502), (6953, 2643296), (7684, 2391832), (9248, 1987331), (9718, 1891216), (11696, 1571378), (12427, 1478944), (13088, 1404251), (13906, 1321648), (15368, 1195916), (17587, 1045024), (19436, 945608), (23392, 785689), (24854, 739472), (27812, 660824), (30736, 597958), (32657, 562784), (35174, 522512), (38872, 472804), (46217, 397664), (49708, 369736), (55624, 330412), (61472, 298979), (65314, 281392), (70348, 261256), (77744, 236402), (82603, 222496), (92434, 198832), (99416, 184868), (111248, 165206), (118201, 155488), (130628, 140696)]