19298601

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 15174999

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 441, 503, 609, 783, 1323, 1421, 1509, 1827, 3521, 4263, 4527, 5481, 10563, 12789, 13581, 14587, 24647, 31689, 38367, 43761, 73941, 95067, 102109, 131283, 221823, 306327, 393849, 665469, 714763, 918981, 2144289, 2756943, 6432867, 19298601]

約数ペア:

[(1, 19298601), (3, 6432867), (7, 2756943), (9, 2144289), (21, 918981), (27, 714763), (29, 665469), (49, 393849), (63, 306327), (87, 221823), (147, 131283), (189, 102109), (203, 95067), (261, 73941), (441, 43761), (503, 38367), (609, 31689), (783, 24647), (1323, 14587), (1421, 13581), (1509, 12789), (1827, 10563), (3521, 5481), (4263, 4527)]