19415445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 18946155

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 73, 85, 105, 119, 149, 219, 255, 357, 365, 447, 511, 595, 745, 1043, 1095, 1241, 1533, 1785, 2235, 2533, 2555, 3129, 3723, 5215, 6205, 7599, 7665, 8687, 10877, 12665, 15645, 17731, 18615, 26061, 32631, 37995, 43435, 53193, 54385, 76139, 88655, 130305, 163155, 184909, 228417, 265965, 380695, 554727, 924545, 1142085, 1294363, 2773635, 3883089, 6471815, 19415445]

約数ペア:

[(1, 19415445), (3, 6471815), (5, 3883089), (7, 2773635), (15, 1294363), (17, 1142085), (21, 924545), (35, 554727), (51, 380695), (73, 265965), (85, 228417), (105, 184909), (119, 163155), (149, 130305), (219, 88655), (255, 76139), (357, 54385), (365, 53193), (447, 43435), (511, 37995), (595, 32631), (745, 26061), (1043, 18615), (1095, 17731), (1241, 15645), (1533, 12665), (1785, 10877), (2235, 8687), (2533, 7665), (2555, 7599), (3129, 6205), (3723, 5215)]