18807747

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 11259453

約数列:

[1, 3, 7, 21, 29, 87, 89, 203, 267, 347, 609, 623, 1041, 1869, 2429, 2581, 7287, 7743, 10063, 18067, 30189, 30883, 54201, 70441, 92649, 211323, 216181, 648543, 895607, 2686821, 6269249, 18807747]

約数ペア:

[(1, 18807747), (3, 6269249), (7, 2686821), (21, 895607), (29, 648543), (87, 216181), (89, 211323), (203, 92649), (267, 70441), (347, 54201), (609, 30883), (623, 30189), (1041, 18067), (1869, 10063), (2429, 7743), (2581, 7287)]