18649036

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 39223296

約数和(自身を除く): 20574260

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 74, 94, 148, 188, 259, 329, 383, 518, 658, 766, 1036, 1316, 1532, 1739, 2681, 3478, 5362, 6956, 10724, 12173, 14171, 18001, 24346, 28342, 36002, 48692, 56684, 72004, 99197, 126007, 198394, 252014, 396788, 504028, 666037, 1332074, 2664148, 4662259, 9324518, 18649036]

約数ペア:

[(1, 18649036), (2, 9324518), (4, 4662259), (7, 2664148), (14, 1332074), (28, 666037), (37, 504028), (47, 396788), (74, 252014), (94, 198394), (148, 126007), (188, 99197), (259, 72004), (329, 56684), (383, 48692), (518, 36002), (658, 28342), (766, 24346), (1036, 18001), (1316, 14171), (1532, 12173), (1739, 10724), (2681, 6956), (3478, 5362)]