18587556

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1503

約数の個数: 72

約数和(自身を含む): 52509184

約数和(自身を除く): 33921628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1471, 2106, 2942, 3159, 4212, 4413, 5884, 6318, 8826, 12636, 13239, 17652, 19123, 26478, 38246, 39717, 52956, 57369, 76492, 79434, 114738, 119151, 158868, 172107, 229476, 238302, 344214, 357453, 476604, 516321, 688428, 714906, 1032642, 1429812, 1548963, 2065284, 3097926, 4646889, 6195852, 9293778, 18587556]

約数ペア:

[(1, 18587556), (2, 9293778), (3, 6195852), (4, 4646889), (6, 3097926), (9, 2065284), (12, 1548963), (13, 1429812), (18, 1032642), (26, 714906), (27, 688428), (36, 516321), (39, 476604), (52, 357453), (54, 344214), (78, 238302), (81, 229476), (108, 172107), (117, 158868), (156, 119151), (162, 114738), (234, 79434), (243, 76492), (324, 57369), (351, 52956), (468, 39717), (486, 38246), (702, 26478), (972, 19123), (1053, 17652), (1404, 13239), (1471, 12636), (2106, 8826), (2942, 6318), (3159, 5884), (4212, 4413)]