19406880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13477}}^1$

素因数の和:13498

約数の個数: 72

約数和(自身を含む): 66230892

約数和(自身を除く): 46824012

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13477, 26954, 40431, 53908, 67385, 80862, 107816, 121293, 134770, 161724, 202155, 215632, 242586, 269540, 323448, 404310, 431264, 485172, 539080, 606465, 646896, 808620, 970344, 1078160, 1212930, 1293792, 1617240, 1940688, 2156320, 2425860, 3234480, 3881376, 4851720, 6468960, 9703440, 19406880]

約数ペア:

[(1, 19406880), (2, 9703440), (3, 6468960), (4, 4851720), (5, 3881376), (6, 3234480), (8, 2425860), (9, 2156320), (10, 1940688), (12, 1617240), (15, 1293792), (16, 1212930), (18, 1078160), (20, 970344), (24, 808620), (30, 646896), (32, 606465), (36, 539080), (40, 485172), (45, 431264), (48, 404310), (60, 323448), (72, 269540), (80, 242586), (90, 215632), (96, 202155), (120, 161724), (144, 134770), (160, 121293), (180, 107816), (240, 80862), (288, 67385), (360, 53908), (480, 40431), (720, 26954), (1440, 13477)]