18963672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 61555200

約数和(自身を除く): 42591528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 457, 494, 532, 546, 728, 741, 798, 914, 988, 1064, 1092, 1371, 1482, 1596, 1729, 1828, 1976, 2184, 2742, 2964, 3192, 3199, 3458, 3656, 5187, 5484, 5928, 5941, 6398, 6916, 8683, 9597, 10374, 10968, 11882, 12796, 13832, 17366, 17823, 19194, 20748, 23764, 25592, 26049, 34732, 35646, 38388, 41496, 41587, 47528, 52098, 60781, 69464, 71292, 76776, 83174, 104196, 112879, 121562, 124761, 142584, 166348, 182343, 208392, 225758, 243124, 249522, 332696, 338637, 364686, 451516, 486248, 499044, 677274, 729372, 790153, 903032, 998088, 1354548, 1458744, 1580306, 2370459, 2709096, 3160612, 4740918, 6321224, 9481836, 18963672]

約数ペア:

[(1, 18963672), (2, 9481836), (3, 6321224), (4, 4740918), (6, 3160612), (7, 2709096), (8, 2370459), (12, 1580306), (13, 1458744), (14, 1354548), (19, 998088), (21, 903032), (24, 790153), (26, 729372), (28, 677274), (38, 499044), (39, 486248), (42, 451516), (52, 364686), (56, 338637), (57, 332696), (76, 249522), (78, 243124), (84, 225758), (91, 208392), (104, 182343), (114, 166348), (133, 142584), (152, 124761), (156, 121562), (168, 112879), (182, 104196), (228, 83174), (247, 76776), (266, 71292), (273, 69464), (312, 60781), (364, 52098), (399, 47528), (456, 41587), (457, 41496), (494, 38388), (532, 35646), (546, 34732), (728, 26049), (741, 25592), (798, 23764), (914, 20748), (988, 19194), (1064, 17823), (1092, 17366), (1371, 13832), (1482, 12796), (1596, 11882), (1729, 10968), (1828, 10374), (1976, 9597), (2184, 8683), (2742, 6916), (2964, 6398), (3192, 5941), (3199, 5928), (3458, 5484), (3656, 5187)]