19963710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 56766528

約数和(自身を除く): 36802818

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 113, 117, 130, 151, 195, 226, 234, 302, 339, 390, 453, 565, 585, 678, 755, 906, 1017, 1130, 1170, 1359, 1469, 1510, 1695, 1963, 2034, 2265, 2718, 2938, 3390, 3926, 4407, 4530, 5085, 5889, 6795, 7345, 8814, 9815, 10170, 11778, 13221, 13590, 14690, 17063, 17667, 19630, 22035, 26442, 29445, 34126, 35334, 44070, 51189, 58890, 66105, 85315, 88335, 102378, 132210, 153567, 170630, 176670, 221819, 255945, 307134, 443638, 511890, 665457, 767835, 1109095, 1330914, 1535670, 1996371, 2218190, 3327285, 3992742, 6654570, 9981855, 19963710]

約数ペア:

[(1, 19963710), (2, 9981855), (3, 6654570), (5, 3992742), (6, 3327285), (9, 2218190), (10, 1996371), (13, 1535670), (15, 1330914), (18, 1109095), (26, 767835), (30, 665457), (39, 511890), (45, 443638), (65, 307134), (78, 255945), (90, 221819), (113, 176670), (117, 170630), (130, 153567), (151, 132210), (195, 102378), (226, 88335), (234, 85315), (302, 66105), (339, 58890), (390, 51189), (453, 44070), (565, 35334), (585, 34126), (678, 29445), (755, 26442), (906, 22035), (1017, 19630), (1130, 17667), (1170, 17063), (1359, 14690), (1469, 13590), (1510, 13221), (1695, 11778), (1963, 10170), (2034, 9815), (2265, 8814), (2718, 7345), (2938, 6795), (3390, 5889), (3926, 5085), (4407, 4530)]