19215644

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 42517440

約数和(自身を除く): 23301796

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 73, 79, 98, 119, 146, 158, 196, 238, 292, 316, 476, 511, 553, 833, 1022, 1106, 1241, 1343, 1666, 2044, 2212, 2482, 2686, 3332, 3577, 3871, 4964, 5372, 5767, 7154, 7742, 8687, 9401, 11534, 14308, 15484, 17374, 18802, 23068, 34748, 37604, 40369, 60809, 65807, 80738, 98039, 121618, 131614, 161476, 196078, 243236, 263228, 282583, 392156, 565166, 686273, 1130332, 1372546, 2745092, 4803911, 9607822, 19215644]

約数ペア:

[(1, 19215644), (2, 9607822), (4, 4803911), (7, 2745092), (14, 1372546), (17, 1130332), (28, 686273), (34, 565166), (49, 392156), (68, 282583), (73, 263228), (79, 243236), (98, 196078), (119, 161476), (146, 131614), (158, 121618), (196, 98039), (238, 80738), (292, 65807), (316, 60809), (476, 40369), (511, 37604), (553, 34748), (833, 23068), (1022, 18802), (1106, 17374), (1241, 15484), (1343, 14308), (1666, 11534), (2044, 9401), (2212, 8687), (2482, 7742), (2686, 7154), (3332, 5767), (3577, 5372), (3871, 4964)]