18319590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7019}}^1$

素因数の和:7061

約数の個数: 48

約数和(自身を含む): 49280400

約数和(自身を除く): 30960810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7019, 14038, 21057, 35095, 42114, 63171, 70190, 105285, 126342, 203551, 210570, 315855, 407102, 610653, 631710, 1017755, 1221306, 1831959, 2035510, 3053265, 3663918, 6106530, 9159795, 18319590]

約数ペア:

[(1, 18319590), (2, 9159795), (3, 6106530), (5, 3663918), (6, 3053265), (9, 2035510), (10, 1831959), (15, 1221306), (18, 1017755), (29, 631710), (30, 610653), (45, 407102), (58, 315855), (87, 210570), (90, 203551), (145, 126342), (174, 105285), (261, 70190), (290, 63171), (435, 42114), (522, 35095), (870, 21057), (1305, 14038), (2610, 7019)]