19264420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3719}}^1$

素因数の和:3772

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 28232540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3719, 5180, 7438, 14876, 18595, 26033, 37190, 52066, 74380, 104132, 130165, 137603, 260330, 275206, 520660, 550412, 688015, 963221, 1376030, 1926442, 2752060, 3852884, 4816105, 9632210, 19264420]

約数ペア:

[(1, 19264420), (2, 9632210), (4, 4816105), (5, 3852884), (7, 2752060), (10, 1926442), (14, 1376030), (20, 963221), (28, 688015), (35, 550412), (37, 520660), (70, 275206), (74, 260330), (140, 137603), (148, 130165), (185, 104132), (259, 74380), (370, 52066), (518, 37190), (740, 26033), (1036, 18595), (1295, 14876), (2590, 7438), (3719, 5180)]