19898652

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 28485348

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 149, 186, 298, 359, 372, 447, 596, 718, 894, 1077, 1436, 1788, 2154, 4308, 4619, 9238, 11129, 13857, 18476, 22258, 27714, 33387, 44516, 53491, 55428, 66774, 106982, 133548, 160473, 213964, 320946, 641892, 1658221, 3316442, 4974663, 6632884, 9949326, 19898652]

約数ペア:

[(1, 19898652), (2, 9949326), (3, 6632884), (4, 4974663), (6, 3316442), (12, 1658221), (31, 641892), (62, 320946), (93, 213964), (124, 160473), (149, 133548), (186, 106982), (298, 66774), (359, 55428), (372, 53491), (447, 44516), (596, 33387), (718, 27714), (894, 22258), (1077, 18476), (1436, 13857), (1788, 11129), (2154, 9238), (4308, 4619)]