2019691828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{331}}^1\times {\mathrm{1801}}^1$

素因数の和:2165

約数の個数: 72

約数和(自身を含む): 4455870272

約数和(自身を除く): 2436178444

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 331, 484, 662, 847, 1324, 1694, 1801, 2317, 3388, 3602, 3641, 4634, 7204, 7282, 9268, 12607, 14564, 19811, 25214, 25487, 39622, 40051, 50428, 50974, 79244, 80102, 101948, 138677, 160204, 217921, 277354, 280357, 435842, 554708, 560714, 596131, 871684, 1121428, 1192262, 1525447, 2384524, 3050894, 4172917, 6101788, 6557441, 8345834, 13114882, 16691668, 26229764, 45902087, 72131851, 91804174, 144263702, 183608348, 288527404, 504922957, 1009845914, 2019691828]

約数ペア:

[(1, 2019691828), (2, 1009845914), (4, 504922957), (7, 288527404), (11, 183608348), (14, 144263702), (22, 91804174), (28, 72131851), (44, 45902087), (77, 26229764), (121, 16691668), (154, 13114882), (242, 8345834), (308, 6557441), (331, 6101788), (484, 4172917), (662, 3050894), (847, 2384524), (1324, 1525447), (1694, 1192262), (1801, 1121428), (2317, 871684), (3388, 596131), (3602, 560714), (3641, 554708), (4634, 435842), (7204, 280357), (7282, 277354), (9268, 217921), (12607, 160204), (14564, 138677), (19811, 101948), (25214, 80102), (25487, 79244), (39622, 50974), (40051, 50428)]