19070520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 66493440

約数和(自身を除く): 47422920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 311, 365, 420, 438, 511, 584, 622, 730, 840, 876, 933, 1022, 1095, 1244, 1460, 1533, 1555, 1752, 1866, 2044, 2177, 2190, 2488, 2555, 2920, 3066, 3110, 3732, 4088, 4354, 4380, 4665, 5110, 6132, 6220, 6531, 7464, 7665, 8708, 8760, 9330, 10220, 10885, 12264, 12440, 13062, 15330, 17416, 18660, 20440, 21770, 22703, 26124, 30660, 32655, 37320, 43540, 45406, 52248, 61320, 65310, 68109, 87080, 90812, 113515, 130620, 136218, 158921, 181624, 227030, 261240, 272436, 317842, 340545, 454060, 476763, 544872, 635684, 681090, 794605, 908120, 953526, 1271368, 1362180, 1589210, 1907052, 2383815, 2724360, 3178420, 3814104, 4767630, 6356840, 9535260, 19070520]

約数ペア:

[(1, 19070520), (2, 9535260), (3, 6356840), (4, 4767630), (5, 3814104), (6, 3178420), (7, 2724360), (8, 2383815), (10, 1907052), (12, 1589210), (14, 1362180), (15, 1271368), (20, 953526), (21, 908120), (24, 794605), (28, 681090), (30, 635684), (35, 544872), (40, 476763), (42, 454060), (56, 340545), (60, 317842), (70, 272436), (73, 261240), (84, 227030), (105, 181624), (120, 158921), (140, 136218), (146, 130620), (168, 113515), (210, 90812), (219, 87080), (280, 68109), (292, 65310), (311, 61320), (365, 52248), (420, 45406), (438, 43540), (511, 37320), (584, 32655), (622, 30660), (730, 26124), (840, 22703), (876, 21770), (933, 20440), (1022, 18660), (1095, 17416), (1244, 15330), (1460, 13062), (1533, 12440), (1555, 12264), (1752, 10885), (1866, 10220), (2044, 9330), (2177, 8760), (2190, 8708), (2488, 7665), (2555, 7464), (2920, 6531), (3066, 6220), (3110, 6132), (3732, 5110), (4088, 4665), (4354, 4380)]