16939636

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 35392896

約数和(自身を除く): 18453260

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 83, 148, 166, 197, 259, 332, 394, 518, 581, 788, 1036, 1162, 1379, 2324, 2758, 3071, 5516, 6142, 7289, 12284, 14578, 16351, 21497, 29156, 32702, 42994, 51023, 65404, 85988, 102046, 114457, 204092, 228914, 457828, 604987, 1209974, 2419948, 4234909, 8469818, 16939636]

約数ペア:

[(1, 16939636), (2, 8469818), (4, 4234909), (7, 2419948), (14, 1209974), (28, 604987), (37, 457828), (74, 228914), (83, 204092), (148, 114457), (166, 102046), (197, 85988), (259, 65404), (332, 51023), (394, 42994), (518, 32702), (581, 29156), (788, 21497), (1036, 16351), (1162, 14578), (1379, 12284), (2324, 7289), (2758, 6142), (3071, 5516)]