19881966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6217}}^1$

素因数の和:6276

約数の個数: 32

約数和(自身を含む): 43874208

約数和(自身を除く): 23992242

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6217, 12434, 18651, 37302, 80821, 161642, 242463, 254897, 484926, 509794, 764691, 1529382, 3313661, 6627322, 9940983, 19881966]

約数ペア:

[(1, 19881966), (2, 9940983), (3, 6627322), (6, 3313661), (13, 1529382), (26, 764691), (39, 509794), (41, 484926), (78, 254897), (82, 242463), (123, 161642), (246, 80821), (533, 37302), (1066, 18651), (1599, 12434), (3198, 6217)]