18684848

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 45788736

約数和(自身を除く): 27103888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 313, 328, 364, 533, 574, 626, 656, 728, 1066, 1148, 1252, 1456, 2132, 2191, 2296, 2504, 3731, 4069, 4264, 4382, 4592, 5008, 7462, 8138, 8528, 8764, 12833, 14924, 16276, 17528, 25666, 28483, 29848, 32552, 35056, 51332, 56966, 59696, 65104, 89831, 102664, 113932, 166829, 179662, 205328, 227864, 333658, 359324, 455728, 667316, 718648, 1167803, 1334632, 1437296, 2335606, 2669264, 4671212, 9342424, 18684848]

約数ペア:

[(1, 18684848), (2, 9342424), (4, 4671212), (7, 2669264), (8, 2335606), (13, 1437296), (14, 1334632), (16, 1167803), (26, 718648), (28, 667316), (41, 455728), (52, 359324), (56, 333658), (82, 227864), (91, 205328), (104, 179662), (112, 166829), (164, 113932), (182, 102664), (208, 89831), (287, 65104), (313, 59696), (328, 56966), (364, 51332), (533, 35056), (574, 32552), (626, 29848), (656, 28483), (728, 25666), (1066, 17528), (1148, 16276), (1252, 14924), (1456, 12833), (2132, 8764), (2191, 8528), (2296, 8138), (2504, 7462), (3731, 5008), (4069, 4592), (4264, 4382)]