18818694

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 43720560

約数和(自身を除く): 24901866

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 89, 102, 153, 178, 267, 306, 534, 691, 801, 1382, 1513, 1602, 2073, 3026, 4146, 4539, 6219, 9078, 11747, 12438, 13617, 23494, 27234, 35241, 61499, 70482, 105723, 122998, 184497, 211446, 368994, 553491, 1045483, 1106982, 2090966, 3136449, 6272898, 9409347, 18818694]

約数ペア:

[(1, 18818694), (2, 9409347), (3, 6272898), (6, 3136449), (9, 2090966), (17, 1106982), (18, 1045483), (34, 553491), (51, 368994), (89, 211446), (102, 184497), (153, 122998), (178, 105723), (267, 70482), (306, 61499), (534, 35241), (691, 27234), (801, 23494), (1382, 13617), (1513, 12438), (1602, 11747), (2073, 9078), (3026, 6219), (4146, 4539)]