19257840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3821}}^1$

素因数の和:3847

約数の個数: 120

約数和(自身を含む): 73932768

約数和(自身を除く): 54674928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3821, 5040, 7642, 11463, 15284, 19105, 22926, 26747, 30568, 34389, 38210, 45852, 53494, 57315, 61136, 68778, 76420, 80241, 91704, 106988, 114630, 133735, 137556, 152840, 160482, 171945, 183408, 213976, 229260, 240723, 267470, 275112, 305680, 320964, 343890, 401205, 427952, 458520, 481446, 534940, 550224, 641928, 687780, 802410, 917040, 962892, 1069880, 1203615, 1283856, 1375560, 1604820, 1925784, 2139760, 2407230, 2751120, 3209640, 3851568, 4814460, 6419280, 9628920, 19257840]

約数ペア:

[(1, 19257840), (2, 9628920), (3, 6419280), (4, 4814460), (5, 3851568), (6, 3209640), (7, 2751120), (8, 2407230), (9, 2139760), (10, 1925784), (12, 1604820), (14, 1375560), (15, 1283856), (16, 1203615), (18, 1069880), (20, 962892), (21, 917040), (24, 802410), (28, 687780), (30, 641928), (35, 550224), (36, 534940), (40, 481446), (42, 458520), (45, 427952), (48, 401205), (56, 343890), (60, 320964), (63, 305680), (70, 275112), (72, 267470), (80, 240723), (84, 229260), (90, 213976), (105, 183408), (112, 171945), (120, 160482), (126, 152840), (140, 137556), (144, 133735), (168, 114630), (180, 106988), (210, 91704), (240, 80241), (252, 76420), (280, 68778), (315, 61136), (336, 57315), (360, 53494), (420, 45852), (504, 38210), (560, 34389), (630, 30568), (720, 26747), (840, 22926), (1008, 19105), (1260, 15284), (1680, 11463), (2520, 7642), (3821, 5040)]