18185755

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 10844645

約数列:

[1, 5, 7, 19, 23, 29, 35, 41, 95, 115, 133, 145, 161, 203, 205, 287, 437, 551, 665, 667, 779, 805, 943, 1015, 1189, 1435, 2185, 2755, 3059, 3335, 3857, 3895, 4669, 4715, 5453, 5945, 6601, 8323, 12673, 15295, 17917, 19285, 22591, 23345, 27265, 27347, 33005, 41615, 63365, 88711, 89585, 112955, 125419, 136735, 158137, 191429, 443555, 519593, 627095, 790685, 957145, 2597965, 3637151, 18185755]

約数ペア:

[(1, 18185755), (5, 3637151), (7, 2597965), (19, 957145), (23, 790685), (29, 627095), (35, 519593), (41, 443555), (95, 191429), (115, 158137), (133, 136735), (145, 125419), (161, 112955), (203, 89585), (205, 88711), (287, 63365), (437, 41615), (551, 33005), (665, 27347), (667, 27265), (779, 23345), (805, 22591), (943, 19285), (1015, 17917), (1189, 15295), (1435, 12673), (2185, 8323), (2755, 6601), (3059, 5945), (3335, 5453), (3857, 4715), (3895, 4669)]