19587540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 63302400

約数和(自身を除く): 43714860

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, 149, 210, 298, 313, 420, 447, 596, 626, 745, 894, 939, 1043, 1252, 1490, 1565, 1788, 1878, 2086, 2191, 2235, 2980, 3129, 3130, 3756, 4172, 4382, 4470, 4695, 5215, 6258, 6260, 6573, 8764, 8940, 9390, 10430, 10955, 12516, 13146, 15645, 18780, 20860, 21910, 26292, 31290, 32865, 43820, 46637, 62580, 65730, 93274, 131460, 139911, 186548, 233185, 279822, 326459, 466370, 559644, 652918, 699555, 932740, 979377, 1305836, 1399110, 1632295, 1958754, 2798220, 3264590, 3917508, 4896885, 6529180, 9793770, 19587540]

約数ペア:

[(1, 19587540), (2, 9793770), (3, 6529180), (4, 4896885), (5, 3917508), (6, 3264590), (7, 2798220), (10, 1958754), (12, 1632295), (14, 1399110), (15, 1305836), (20, 979377), (21, 932740), (28, 699555), (30, 652918), (35, 559644), (42, 466370), (60, 326459), (70, 279822), (84, 233185), (105, 186548), (140, 139911), (149, 131460), (210, 93274), (298, 65730), (313, 62580), (420, 46637), (447, 43820), (596, 32865), (626, 31290), (745, 26292), (894, 21910), (939, 20860), (1043, 18780), (1252, 15645), (1490, 13146), (1565, 12516), (1788, 10955), (1878, 10430), (2086, 9390), (2191, 8940), (2235, 8764), (2980, 6573), (3129, 6260), (3130, 6258), (3756, 5215), (4172, 4695), (4382, 4470)]