17820712

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{269}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 42245550

約数和(自身を除く): 24424838

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 169, 182, 196, 269, 338, 364, 392, 538, 637, 676, 728, 1076, 1183, 1274, 1352, 1883, 2152, 2366, 2548, 3497, 3766, 4732, 5096, 6994, 7532, 8281, 9464, 13181, 13988, 15064, 16562, 24479, 26362, 27976, 33124, 45461, 48958, 52724, 66248, 90922, 97916, 105448, 171353, 181844, 195832, 318227, 342706, 363688, 636454, 685412, 1272908, 1370824, 2227589, 2545816, 4455178, 8910356, 17820712]

約数ペア:

[(1, 17820712), (2, 8910356), (4, 4455178), (7, 2545816), (8, 2227589), (13, 1370824), (14, 1272908), (26, 685412), (28, 636454), (49, 363688), (52, 342706), (56, 318227), (91, 195832), (98, 181844), (104, 171353), (169, 105448), (182, 97916), (196, 90922), (269, 66248), (338, 52724), (364, 48958), (392, 45461), (538, 33124), (637, 27976), (676, 26362), (728, 24479), (1076, 16562), (1183, 15064), (1274, 13988), (1352, 13181), (1883, 9464), (2152, 8281), (2366, 7532), (2548, 6994), (3497, 5096), (3766, 4732)]