18048940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 47867904

約数和(自身を除く): 29818964

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 91, 94, 130, 140, 182, 188, 211, 235, 260, 329, 364, 422, 455, 470, 611, 658, 844, 910, 940, 1055, 1222, 1316, 1477, 1645, 1820, 2110, 2444, 2743, 2954, 3055, 3290, 4220, 4277, 5486, 5908, 6110, 6580, 7385, 8554, 9917, 10972, 12220, 13715, 14770, 17108, 19201, 19834, 21385, 27430, 29540, 38402, 39668, 42770, 49585, 54860, 69419, 76804, 85540, 96005, 99170, 128921, 138838, 192010, 198340, 257842, 277676, 347095, 384020, 515684, 644605, 694190, 902447, 1289210, 1388380, 1804894, 2578420, 3609788, 4512235, 9024470, 18048940]

約数ペア:

[(1, 18048940), (2, 9024470), (4, 4512235), (5, 3609788), (7, 2578420), (10, 1804894), (13, 1388380), (14, 1289210), (20, 902447), (26, 694190), (28, 644605), (35, 515684), (47, 384020), (52, 347095), (65, 277676), (70, 257842), (91, 198340), (94, 192010), (130, 138838), (140, 128921), (182, 99170), (188, 96005), (211, 85540), (235, 76804), (260, 69419), (329, 54860), (364, 49585), (422, 42770), (455, 39668), (470, 38402), (611, 29540), (658, 27430), (844, 21385), (910, 19834), (940, 19201), (1055, 17108), (1222, 14770), (1316, 13715), (1477, 12220), (1645, 10972), (1820, 9917), (2110, 8554), (2444, 7385), (2743, 6580), (2954, 6110), (3055, 5908), (3290, 5486), (4220, 4277)]