19467448

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 52572240

約数和(自身を除く): 33104792

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 56, 68, 77, 88, 91, 104, 119, 121, 136, 143, 154, 169, 182, 187, 221, 238, 242, 286, 308, 338, 364, 374, 442, 476, 484, 572, 616, 676, 728, 748, 847, 884, 952, 968, 1001, 1144, 1183, 1309, 1352, 1496, 1547, 1573, 1694, 1768, 1859, 2002, 2057, 2366, 2431, 2618, 2873, 3094, 3146, 3388, 3718, 4004, 4114, 4732, 4862, 5236, 5746, 6188, 6292, 6776, 7436, 8008, 8228, 9464, 9724, 10472, 11011, 11492, 12376, 12584, 13013, 14399, 14872, 16456, 17017, 19448, 20111, 20449, 22022, 22984, 26026, 26741, 28798, 31603, 34034, 40222, 40898, 44044, 52052, 53482, 57596, 63206, 68068, 80444, 81796, 88088, 104104, 106964, 115192, 126412, 136136, 143143, 160888, 163592, 187187, 213928, 221221, 252824, 286286, 347633, 374374, 442442, 572572, 695266, 748748, 884884, 1145144, 1390532, 1497496, 1769768, 2433431, 2781064, 4866862, 9733724, 19467448]

約数ペア:

[(1, 19467448), (2, 9733724), (4, 4866862), (7, 2781064), (8, 2433431), (11, 1769768), (13, 1497496), (14, 1390532), (17, 1145144), (22, 884884), (26, 748748), (28, 695266), (34, 572572), (44, 442442), (52, 374374), (56, 347633), (68, 286286), (77, 252824), (88, 221221), (91, 213928), (104, 187187), (119, 163592), (121, 160888), (136, 143143), (143, 136136), (154, 126412), (169, 115192), (182, 106964), (187, 104104), (221, 88088), (238, 81796), (242, 80444), (286, 68068), (308, 63206), (338, 57596), (364, 53482), (374, 52052), (442, 44044), (476, 40898), (484, 40222), (572, 34034), (616, 31603), (676, 28798), (728, 26741), (748, 26026), (847, 22984), (884, 22022), (952, 20449), (968, 20111), (1001, 19448), (1144, 17017), (1183, 16456), (1309, 14872), (1352, 14399), (1496, 13013), (1547, 12584), (1573, 12376), (1694, 11492), (1768, 11011), (1859, 10472), (2002, 9724), (2057, 9464), (2366, 8228), (2431, 8008), (2618, 7436), (2873, 6776), (3094, 6292), (3146, 6188), (3388, 5746), (3718, 5236), (4004, 4862), (4114, 4732)]