19304475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 36283392

約数和(自身を除く): 16978917

約数列:

[1, 3, 5, 15, 19, 23, 25, 31, 57, 69, 75, 93, 95, 115, 155, 285, 345, 361, 437, 465, 475, 575, 589, 713, 775, 1083, 1311, 1425, 1725, 1767, 1805, 2139, 2185, 2325, 2945, 3565, 5415, 6555, 8303, 8835, 9025, 10695, 10925, 11191, 13547, 14725, 17825, 24909, 27075, 32775, 33573, 40641, 41515, 44175, 53475, 55955, 67735, 124545, 167865, 203205, 207575, 257393, 279775, 338675, 622725, 772179, 839325, 1016025, 1286965, 3860895, 6434825, 19304475]

約数ペア:

[(1, 19304475), (3, 6434825), (5, 3860895), (15, 1286965), (19, 1016025), (23, 839325), (25, 772179), (31, 622725), (57, 338675), (69, 279775), (75, 257393), (93, 207575), (95, 203205), (115, 167865), (155, 124545), (285, 67735), (345, 55955), (361, 53475), (437, 44175), (465, 41515), (475, 40641), (575, 33573), (589, 32775), (713, 27075), (775, 24909), (1083, 17825), (1311, 14725), (1425, 13547), (1725, 11191), (1767, 10925), (1805, 10695), (2139, 9025), (2185, 8835), (2325, 8303), (2945, 6555), (3565, 5415)]