18739908088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{4273}}^1$

素因数の和:4413

約数の個数: 128

約数和(自身を含む): 41974099200

約数和(自身を除く): 23234191112

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 43, 44, 61, 76, 86, 88, 122, 152, 172, 209, 244, 344, 418, 473, 488, 671, 817, 836, 946, 1159, 1342, 1634, 1672, 1892, 2318, 2623, 2684, 3268, 3784, 4273, 4636, 5246, 5368, 6536, 8546, 8987, 9272, 10492, 12749, 17092, 17974, 20984, 25498, 28853, 34184, 35948, 47003, 49837, 50996, 57706, 71896, 81187, 94006, 99674, 101992, 115412, 162374, 183739, 188012, 199348, 230824, 260653, 324748, 367478, 376024, 398696, 521306, 548207, 649496, 734956, 893057, 1042612, 1096414, 1469912, 1786114, 2021129, 2085224, 2192828, 2867183, 3491041, 3572228, 4042258, 4385656, 4952407, 5734366, 6982082, 7144456, 8084516, 9904814, 11208079, 11468732, 13964164, 16169032, 19809628, 22416158, 22937464, 27928328, 38401451, 39619256, 44832316, 54476477, 76802902, 89664632, 108952954, 123288869, 153605804, 212953501, 217905908, 246577738, 307211608, 425907002, 435811816, 493155476, 851814004, 986310952, 1703628008, 2342488511, 4684977022, 9369954044, 18739908088]

約数ペア:

[(1, 18739908088), (2, 9369954044), (4, 4684977022), (8, 2342488511), (11, 1703628008), (19, 986310952), (22, 851814004), (38, 493155476), (43, 435811816), (44, 425907002), (61, 307211608), (76, 246577738), (86, 217905908), (88, 212953501), (122, 153605804), (152, 123288869), (172, 108952954), (209, 89664632), (244, 76802902), (344, 54476477), (418, 44832316), (473, 39619256), (488, 38401451), (671, 27928328), (817, 22937464), (836, 22416158), (946, 19809628), (1159, 16169032), (1342, 13964164), (1634, 11468732), (1672, 11208079), (1892, 9904814), (2318, 8084516), (2623, 7144456), (2684, 6982082), (3268, 5734366), (3784, 4952407), (4273, 4385656), (4636, 4042258), (5246, 3572228), (5368, 3491041), (6536, 2867183), (8546, 2192828), (8987, 2085224), (9272, 2021129), (10492, 1786114), (12749, 1469912), (17092, 1096414), (17974, 1042612), (20984, 893057), (25498, 734956), (28853, 649496), (34184, 548207), (35948, 521306), (47003, 398696), (49837, 376024), (50996, 367478), (57706, 324748), (71896, 260653), (81187, 230824), (94006, 199348), (99674, 188012), (101992, 183739), (115412, 162374)]