19657324728

素因数分解:

$2^3\times 3^3\times {\mathrm{331}}^1\times {\mathrm{274943}}^1$

素因数の和:275289

約数の個数: 64

約数和(自身を含む): 54768844800

約数和(自身を除く): 35111520072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 331, 662, 993, 1324, 1986, 2648, 2979, 3972, 5958, 7944, 8937, 11916, 17874, 23832, 35748, 71496, 274943, 549886, 824829, 1099772, 1649658, 2199544, 2474487, 3299316, 4948974, 6598632, 7423461, 9897948, 14846922, 19795896, 29693844, 59387688, 91006133, 182012266, 273018399, 364024532, 546036798, 728049064, 819055197, 1092073596, 1638110394, 2184147192, 2457165591, 3276220788, 4914331182, 6552441576, 9828662364, 19657324728]

約数ペア:

[(1, 19657324728), (2, 9828662364), (3, 6552441576), (4, 4914331182), (6, 3276220788), (8, 2457165591), (9, 2184147192), (12, 1638110394), (18, 1092073596), (24, 819055197), (27, 728049064), (36, 546036798), (54, 364024532), (72, 273018399), (108, 182012266), (216, 91006133), (331, 59387688), (662, 29693844), (993, 19795896), (1324, 14846922), (1986, 9897948), (2648, 7423461), (2979, 6598632), (3972, 4948974), (5958, 3299316), (7944, 2474487), (8937, 2199544), (11916, 1649658), (17874, 1099772), (23832, 824829), (35748, 549886), (71496, 274943)]