19617804

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 57657600

約数和(自身を除く): 38039796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 29, 36, 38, 43, 46, 57, 58, 69, 76, 86, 87, 92, 114, 116, 129, 138, 171, 172, 174, 207, 228, 258, 261, 276, 342, 348, 387, 414, 437, 516, 522, 551, 667, 684, 774, 817, 828, 874, 989, 1044, 1102, 1247, 1311, 1334, 1548, 1634, 1653, 1748, 1978, 2001, 2204, 2451, 2494, 2622, 2668, 2967, 3268, 3306, 3741, 3933, 3956, 4002, 4902, 4959, 4988, 5244, 5934, 6003, 6612, 7353, 7482, 7866, 8004, 8901, 9804, 9918, 11223, 11868, 12006, 12673, 14706, 14964, 15732, 17802, 18791, 19836, 22446, 23693, 24012, 25346, 28681, 29412, 35604, 37582, 38019, 44892, 47386, 50692, 56373, 57362, 71079, 75164, 76038, 86043, 94772, 112746, 114057, 114724, 142158, 152076, 169119, 172086, 213237, 225492, 228114, 258129, 284316, 338238, 344172, 426474, 456228, 516258, 544939, 676476, 852948, 1032516, 1089878, 1634817, 2179756, 3269634, 4904451, 6539268, 9808902, 19617804]

約数ペア:

[(1, 19617804), (2, 9808902), (3, 6539268), (4, 4904451), (6, 3269634), (9, 2179756), (12, 1634817), (18, 1089878), (19, 1032516), (23, 852948), (29, 676476), (36, 544939), (38, 516258), (43, 456228), (46, 426474), (57, 344172), (58, 338238), (69, 284316), (76, 258129), (86, 228114), (87, 225492), (92, 213237), (114, 172086), (116, 169119), (129, 152076), (138, 142158), (171, 114724), (172, 114057), (174, 112746), (207, 94772), (228, 86043), (258, 76038), (261, 75164), (276, 71079), (342, 57362), (348, 56373), (387, 50692), (414, 47386), (437, 44892), (516, 38019), (522, 37582), (551, 35604), (667, 29412), (684, 28681), (774, 25346), (817, 24012), (828, 23693), (874, 22446), (989, 19836), (1044, 18791), (1102, 17802), (1247, 15732), (1311, 14964), (1334, 14706), (1548, 12673), (1634, 12006), (1653, 11868), (1748, 11223), (1978, 9918), (2001, 9804), (2204, 8901), (2451, 8004), (2494, 7866), (2622, 7482), (2668, 7353), (2967, 6612), (3268, 6003), (3306, 5934), (3741, 5244), (3933, 4988), (3956, 4959), (4002, 4902)]