19640763

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 32078592

約数和(自身を除く): 12437829

約数列:

[1, 3, 9, 17, 31, 41, 51, 93, 101, 123, 153, 279, 303, 369, 527, 697, 909, 1271, 1581, 1717, 2091, 3131, 3813, 4141, 4743, 5151, 6273, 9393, 11439, 12423, 15453, 21607, 28179, 37269, 53227, 64821, 70397, 128371, 159681, 194463, 211191, 385113, 479043, 633573, 1155339, 2182307, 6546921, 19640763]

約数ペア:

[(1, 19640763), (3, 6546921), (9, 2182307), (17, 1155339), (31, 633573), (41, 479043), (51, 385113), (93, 211191), (101, 194463), (123, 159681), (153, 128371), (279, 70397), (303, 64821), (369, 53227), (527, 37269), (697, 28179), (909, 21607), (1271, 15453), (1581, 12423), (1717, 11439), (2091, 9393), (3131, 6273), (3813, 5151), (4141, 4743)]