19687728

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 53425152

約数和(自身を除く): 33737424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 101, 124, 131, 186, 202, 248, 262, 303, 372, 393, 404, 496, 524, 606, 744, 786, 808, 1048, 1212, 1488, 1572, 1616, 2096, 2424, 3131, 3144, 4061, 4848, 6262, 6288, 8122, 9393, 12183, 12524, 13231, 16244, 18786, 24366, 25048, 26462, 32488, 37572, 39693, 48732, 50096, 52924, 64976, 75144, 79386, 97464, 105848, 150288, 158772, 194928, 211696, 317544, 410161, 635088, 820322, 1230483, 1640644, 2460966, 3281288, 4921932, 6562576, 9843864, 19687728]

約数ペア:

[(1, 19687728), (2, 9843864), (3, 6562576), (4, 4921932), (6, 3281288), (8, 2460966), (12, 1640644), (16, 1230483), (24, 820322), (31, 635088), (48, 410161), (62, 317544), (93, 211696), (101, 194928), (124, 158772), (131, 150288), (186, 105848), (202, 97464), (248, 79386), (262, 75144), (303, 64976), (372, 52924), (393, 50096), (404, 48732), (496, 39693), (524, 37572), (606, 32488), (744, 26462), (786, 25048), (808, 24366), (1048, 18786), (1212, 16244), (1488, 13231), (1572, 12524), (1616, 12183), (2096, 9393), (2424, 8122), (3131, 6288), (3144, 6262), (4061, 4848)]