19561290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{1901}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 54777600

約数和(自身を除く): 35216310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 1901, 2058, 3430, 3802, 5145, 5703, 9505, 10290, 11406, 13307, 19010, 26614, 28515, 39921, 57030, 66535, 79842, 93149, 133070, 186298, 199605, 279447, 399210, 465745, 558894, 652043, 931490, 1304086, 1397235, 1956129, 2794470, 3260215, 3912258, 6520430, 9780645, 19561290]

約数ペア:

[(1, 19561290), (2, 9780645), (3, 6520430), (5, 3912258), (6, 3260215), (7, 2794470), (10, 1956129), (14, 1397235), (15, 1304086), (21, 931490), (30, 652043), (35, 558894), (42, 465745), (49, 399210), (70, 279447), (98, 199605), (105, 186298), (147, 133070), (210, 93149), (245, 79842), (294, 66535), (343, 57030), (490, 39921), (686, 28515), (735, 26614), (1029, 19010), (1470, 13307), (1715, 11406), (1901, 10290), (2058, 9505), (3430, 5703), (3802, 5145)]