19763970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 49268736

約数和(自身を除く): 29504766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 107, 131, 141, 214, 235, 262, 282, 321, 393, 470, 535, 642, 655, 705, 786, 1070, 1310, 1410, 1605, 1965, 3210, 3930, 5029, 6157, 10058, 12314, 14017, 15087, 18471, 25145, 28034, 30174, 30785, 36942, 42051, 50290, 61570, 70085, 75435, 84102, 92355, 140170, 150870, 184710, 210255, 420510, 658799, 1317598, 1976397, 3293995, 3952794, 6587990, 9881985, 19763970]

約数ペア:

[(1, 19763970), (2, 9881985), (3, 6587990), (5, 3952794), (6, 3293995), (10, 1976397), (15, 1317598), (30, 658799), (47, 420510), (94, 210255), (107, 184710), (131, 150870), (141, 140170), (214, 92355), (235, 84102), (262, 75435), (282, 70085), (321, 61570), (393, 50290), (470, 42051), (535, 36942), (642, 30785), (655, 30174), (705, 28034), (786, 25145), (1070, 18471), (1310, 15087), (1410, 14017), (1605, 12314), (1965, 10058), (3210, 6157), (3930, 5029)]