19923813

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 39626496

約数和(自身を除く): 19702683

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 53, 63, 81, 91, 117, 119, 153, 159, 189, 221, 243, 273, 351, 357, 371, 459, 477, 567, 663, 689, 819, 901, 1053, 1071, 1113, 1377, 1431, 1547, 1701, 1989, 2067, 2457, 2703, 3159, 3213, 3339, 4131, 4293, 4641, 4823, 5967, 6201, 6307, 7371, 8109, 9639, 10017, 11713, 12879, 13923, 14469, 17901, 18603, 18921, 22113, 24327, 28917, 30051, 35139, 41769, 43407, 53703, 55809, 56763, 72981, 81991, 90153, 105417, 125307, 130221, 167427, 170289, 218943, 245973, 316251, 375921, 390663, 510867, 737919, 948753, 1171989, 1532601, 2213757, 2846259, 6641271, 19923813]

約数ペア:

[(1, 19923813), (3, 6641271), (7, 2846259), (9, 2213757), (13, 1532601), (17, 1171989), (21, 948753), (27, 737919), (39, 510867), (51, 390663), (53, 375921), (63, 316251), (81, 245973), (91, 218943), (117, 170289), (119, 167427), (153, 130221), (159, 125307), (189, 105417), (221, 90153), (243, 81991), (273, 72981), (351, 56763), (357, 55809), (371, 53703), (459, 43407), (477, 41769), (567, 35139), (663, 30051), (689, 28917), (819, 24327), (901, 22113), (1053, 18921), (1071, 18603), (1113, 17901), (1377, 14469), (1431, 13923), (1547, 12879), (1701, 11713), (1989, 10017), (2067, 9639), (2457, 8109), (2703, 7371), (3159, 6307), (3213, 6201), (3339, 5967), (4131, 4823), (4293, 4641)]