12171590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 24375600

約数和(自身を除く): 12204010

約数列:

[1, 2, 5, 10, 19, 29, 38, 47, 58, 94, 95, 145, 190, 235, 290, 470, 551, 893, 1102, 1363, 1786, 2209, 2726, 2755, 4418, 4465, 5510, 6815, 8930, 11045, 13630, 22090, 25897, 41971, 51794, 64061, 83942, 128122, 129485, 209855, 258970, 320305, 419710, 640610, 1217159, 2434318, 6085795, 12171590]

約数ペア:

[(1, 12171590), (2, 6085795), (5, 2434318), (10, 1217159), (19, 640610), (29, 419710), (38, 320305), (47, 258970), (58, 209855), (94, 129485), (95, 128122), (145, 83942), (190, 64061), (235, 51794), (290, 41971), (470, 25897), (551, 22090), (893, 13630), (1102, 11045), (1363, 8930), (1786, 6815), (2209, 5510), (2726, 4465), (2755, 4418)]