19185894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 55497312

約数和(自身を除く): 36311418

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 53, 63, 78, 91, 102, 106, 117, 119, 126, 153, 159, 169, 182, 221, 234, 238, 273, 306, 318, 338, 357, 371, 442, 477, 507, 546, 663, 689, 714, 742, 819, 901, 954, 1014, 1071, 1113, 1183, 1326, 1378, 1521, 1547, 1638, 1802, 1989, 2067, 2142, 2226, 2366, 2703, 2873, 3042, 3094, 3339, 3549, 3978, 4134, 4641, 4823, 5406, 5746, 6201, 6307, 6678, 7098, 8109, 8619, 8957, 9282, 9646, 10647, 11713, 12402, 12614, 13923, 14469, 16218, 17238, 17914, 18921, 20111, 21294, 23426, 25857, 26871, 27846, 28938, 35139, 37842, 40222, 43407, 51714, 53742, 56763, 60333, 62699, 70278, 80613, 81991, 86814, 105417, 113526, 120666, 125398, 152269, 161226, 163982, 180999, 188097, 210834, 245973, 304538, 361998, 376194, 456807, 491946, 564291, 737919, 913614, 1065883, 1128582, 1370421, 1475838, 2131766, 2740842, 3197649, 6395298, 9592947, 19185894]

約数ペア:

[(1, 19185894), (2, 9592947), (3, 6395298), (6, 3197649), (7, 2740842), (9, 2131766), (13, 1475838), (14, 1370421), (17, 1128582), (18, 1065883), (21, 913614), (26, 737919), (34, 564291), (39, 491946), (42, 456807), (51, 376194), (53, 361998), (63, 304538), (78, 245973), (91, 210834), (102, 188097), (106, 180999), (117, 163982), (119, 161226), (126, 152269), (153, 125398), (159, 120666), (169, 113526), (182, 105417), (221, 86814), (234, 81991), (238, 80613), (273, 70278), (306, 62699), (318, 60333), (338, 56763), (357, 53742), (371, 51714), (442, 43407), (477, 40222), (507, 37842), (546, 35139), (663, 28938), (689, 27846), (714, 26871), (742, 25857), (819, 23426), (901, 21294), (954, 20111), (1014, 18921), (1071, 17914), (1113, 17238), (1183, 16218), (1326, 14469), (1378, 13923), (1521, 12614), (1547, 12402), (1638, 11713), (1802, 10647), (1989, 9646), (2067, 9282), (2142, 8957), (2226, 8619), (2366, 8109), (2703, 7098), (2873, 6678), (3042, 6307), (3094, 6201), (3339, 5746), (3549, 5406), (3978, 4823), (4134, 4641)]