19849788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 57762432

約数和(自身を除く): 37912644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 227, 252, 347, 454, 681, 694, 908, 1041, 1362, 1388, 1589, 2043, 2082, 2429, 2724, 3123, 3178, 4086, 4164, 4767, 4858, 6246, 6356, 7287, 8172, 9534, 9716, 12492, 14301, 14574, 19068, 21861, 28602, 29148, 43722, 57204, 78769, 87444, 157538, 236307, 315076, 472614, 551383, 708921, 945228, 1102766, 1417842, 1654149, 2205532, 2835684, 3308298, 4962447, 6616596, 9924894, 19849788]

約数ペア:

[(1, 19849788), (2, 9924894), (3, 6616596), (4, 4962447), (6, 3308298), (7, 2835684), (9, 2205532), (12, 1654149), (14, 1417842), (18, 1102766), (21, 945228), (28, 708921), (36, 551383), (42, 472614), (63, 315076), (84, 236307), (126, 157538), (227, 87444), (252, 78769), (347, 57204), (454, 43722), (681, 29148), (694, 28602), (908, 21861), (1041, 19068), (1362, 14574), (1388, 14301), (1589, 12492), (2043, 9716), (2082, 9534), (2429, 8172), (2724, 7287), (3123, 6356), (3178, 6246), (4086, 4858), (4164, 4767)]