19697384

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 25541656

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 41, 46, 56, 82, 92, 161, 164, 184, 287, 322, 328, 373, 574, 644, 746, 943, 1148, 1288, 1492, 1886, 2296, 2611, 2984, 3772, 5222, 6601, 7544, 8579, 10444, 13202, 15293, 17158, 20888, 26404, 30586, 34316, 52808, 60053, 61172, 68632, 107051, 120106, 122344, 214102, 240212, 351739, 428204, 480424, 703478, 856408, 1406956, 2462173, 2813912, 4924346, 9848692, 19697384]

約数ペア:

[(1, 19697384), (2, 9848692), (4, 4924346), (7, 2813912), (8, 2462173), (14, 1406956), (23, 856408), (28, 703478), (41, 480424), (46, 428204), (56, 351739), (82, 240212), (92, 214102), (161, 122344), (164, 120106), (184, 107051), (287, 68632), (322, 61172), (328, 60053), (373, 52808), (574, 34316), (644, 30586), (746, 26404), (943, 20888), (1148, 17158), (1288, 15293), (1492, 13202), (1886, 10444), (2296, 8579), (2611, 7544), (2984, 6601), (3772, 5222)]