18759996

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 50144640

約数和(自身を除く): 31384644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 139, 163, 207, 276, 278, 326, 414, 417, 489, 556, 652, 828, 834, 978, 1251, 1467, 1668, 1956, 2502, 2934, 3197, 3749, 5004, 5868, 6394, 7498, 9591, 11247, 12788, 14996, 19182, 22494, 22657, 28773, 33741, 38364, 44988, 45314, 57546, 67482, 67971, 90628, 115092, 134964, 135942, 203913, 271884, 407826, 521111, 815652, 1042222, 1563333, 2084444, 3126666, 4689999, 6253332, 9379998, 18759996]

約数ペア:

[(1, 18759996), (2, 9379998), (3, 6253332), (4, 4689999), (6, 3126666), (9, 2084444), (12, 1563333), (18, 1042222), (23, 815652), (36, 521111), (46, 407826), (69, 271884), (92, 203913), (138, 135942), (139, 134964), (163, 115092), (207, 90628), (276, 67971), (278, 67482), (326, 57546), (414, 45314), (417, 44988), (489, 38364), (556, 33741), (652, 28773), (828, 22657), (834, 22494), (978, 19182), (1251, 14996), (1467, 12788), (1668, 11247), (1956, 9591), (2502, 7498), (2934, 6394), (3197, 5868), (3749, 5004)]