18919194

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 45792000

約数和(自身を除く): 26872806

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 87, 98, 147, 174, 203, 294, 317, 343, 406, 609, 634, 686, 951, 1029, 1218, 1421, 1902, 2058, 2219, 2842, 4263, 4438, 6657, 8526, 9193, 9947, 13314, 15533, 18386, 19894, 27579, 29841, 31066, 46599, 55158, 59682, 64351, 93198, 108731, 128702, 193053, 217462, 326193, 386106, 450457, 652386, 900914, 1351371, 2702742, 3153199, 6306398, 9459597, 18919194]

約数ペア:

[(1, 18919194), (2, 9459597), (3, 6306398), (6, 3153199), (7, 2702742), (14, 1351371), (21, 900914), (29, 652386), (42, 450457), (49, 386106), (58, 326193), (87, 217462), (98, 193053), (147, 128702), (174, 108731), (203, 93198), (294, 64351), (317, 59682), (343, 55158), (406, 46599), (609, 31066), (634, 29841), (686, 27579), (951, 19894), (1029, 18386), (1218, 15533), (1421, 13314), (1902, 9947), (2058, 9193), (2219, 8526), (2842, 6657), (4263, 4438)]