19814280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 59866560

約数和(自身を除く): 40052280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1013, 1304, 1630, 1956, 2026, 2445, 3039, 3260, 3912, 4052, 4890, 5065, 6078, 6520, 8104, 9780, 10130, 12156, 15195, 19560, 20260, 24312, 30390, 40520, 60780, 121560, 165119, 330238, 495357, 660476, 825595, 990714, 1320952, 1651190, 1981428, 2476785, 3302380, 3962856, 4953570, 6604760, 9907140, 19814280]

約数ペア:

[(1, 19814280), (2, 9907140), (3, 6604760), (4, 4953570), (5, 3962856), (6, 3302380), (8, 2476785), (10, 1981428), (12, 1651190), (15, 1320952), (20, 990714), (24, 825595), (30, 660476), (40, 495357), (60, 330238), (120, 165119), (163, 121560), (326, 60780), (489, 40520), (652, 30390), (815, 24312), (978, 20260), (1013, 19560), (1304, 15195), (1630, 12156), (1956, 10130), (2026, 9780), (2445, 8104), (3039, 6520), (3260, 6078), (3912, 5065), (4052, 4890)]