19286748

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 57392720

約数和(自身を除く): 38105972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 171, 228, 234, 241, 247, 324, 342, 351, 468, 482, 494, 513, 684, 702, 723, 741, 964, 988, 1026, 1053, 1404, 1446, 1482, 1539, 2052, 2106, 2169, 2223, 2892, 2964, 3078, 3133, 4212, 4338, 4446, 4579, 6156, 6266, 6507, 6669, 8676, 8892, 9158, 9399, 12532, 13014, 13338, 13737, 18316, 18798, 19521, 20007, 26028, 26676, 27474, 28197, 37596, 39042, 40014, 41211, 54948, 56394, 59527, 78084, 80028, 82422, 84591, 112788, 119054, 123633, 164844, 169182, 178581, 238108, 247266, 253773, 338364, 357162, 370899, 494532, 507546, 535743, 714324, 741798, 1015092, 1071486, 1483596, 1607229, 2142972, 3214458, 4821687, 6428916, 9643374, 19286748]

約数ペア:

[(1, 19286748), (2, 9643374), (3, 6428916), (4, 4821687), (6, 3214458), (9, 2142972), (12, 1607229), (13, 1483596), (18, 1071486), (19, 1015092), (26, 741798), (27, 714324), (36, 535743), (38, 507546), (39, 494532), (52, 370899), (54, 357162), (57, 338364), (76, 253773), (78, 247266), (81, 238108), (108, 178581), (114, 169182), (117, 164844), (156, 123633), (162, 119054), (171, 112788), (228, 84591), (234, 82422), (241, 80028), (247, 78084), (324, 59527), (342, 56394), (351, 54948), (468, 41211), (482, 40014), (494, 39042), (513, 37596), (684, 28197), (702, 27474), (723, 26676), (741, 26028), (964, 20007), (988, 19521), (1026, 18798), (1053, 18316), (1404, 13737), (1446, 13338), (1482, 13014), (1539, 12532), (2052, 9399), (2106, 9158), (2169, 8892), (2223, 8676), (2892, 6669), (2964, 6507), (3078, 6266), (3133, 6156), (4212, 4579), (4338, 4446)]