19888260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47353}}^1$

素因数の和:47372

約数の個数: 48

約数和(自身を含む): 63643776

約数和(自身を除く): 43755516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47353, 94706, 142059, 189412, 236765, 284118, 331471, 473530, 568236, 662942, 710295, 947060, 994413, 1325884, 1420590, 1657355, 1988826, 2841180, 3314710, 3977652, 4972065, 6629420, 9944130, 19888260]

約数ペア:

[(1, 19888260), (2, 9944130), (3, 6629420), (4, 4972065), (5, 3977652), (6, 3314710), (7, 2841180), (10, 1988826), (12, 1657355), (14, 1420590), (15, 1325884), (20, 994413), (21, 947060), (28, 710295), (30, 662942), (35, 568236), (42, 473530), (60, 331471), (70, 284118), (84, 236765), (105, 189412), (140, 142059), (210, 94706), (420, 47353)]