19548308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 38673936

約数和(自身を除く): 19125628

約数列:

[1, 2, 4, 13, 26, 41, 52, 53, 82, 106, 164, 173, 212, 346, 533, 689, 692, 1066, 1378, 2132, 2173, 2249, 2756, 4346, 4498, 7093, 8692, 8996, 9169, 14186, 18338, 28249, 28372, 36676, 56498, 92209, 112996, 119197, 184418, 238394, 368836, 375929, 476788, 751858, 1503716, 4887077, 9774154, 19548308]

約数ペア:

[(1, 19548308), (2, 9774154), (4, 4887077), (13, 1503716), (26, 751858), (41, 476788), (52, 375929), (53, 368836), (82, 238394), (106, 184418), (164, 119197), (173, 112996), (212, 92209), (346, 56498), (533, 36676), (689, 28372), (692, 28249), (1066, 18338), (1378, 14186), (2132, 9169), (2173, 8996), (2249, 8692), (2756, 7093), (4346, 4498)]