19900944

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6581}}^1$

素因数の和:6605

約数の個数: 80

約数和(自身を含む): 65293440

約数和(自身を除く): 45392496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6581, 13162, 19743, 26324, 39486, 46067, 52648, 59229, 78972, 92134, 105296, 118458, 138201, 157944, 177687, 184268, 236916, 276402, 315888, 355374, 368536, 414603, 473832, 552804, 710748, 737072, 829206, 947664, 1105608, 1243809, 1421496, 1658412, 2211216, 2487618, 2842992, 3316824, 4975236, 6633648, 9950472, 19900944]

約数ペア:

[(1, 19900944), (2, 9950472), (3, 6633648), (4, 4975236), (6, 3316824), (7, 2842992), (8, 2487618), (9, 2211216), (12, 1658412), (14, 1421496), (16, 1243809), (18, 1105608), (21, 947664), (24, 829206), (27, 737072), (28, 710748), (36, 552804), (42, 473832), (48, 414603), (54, 368536), (56, 355374), (63, 315888), (72, 276402), (84, 236916), (108, 184268), (112, 177687), (126, 157944), (144, 138201), (168, 118458), (189, 105296), (216, 92134), (252, 78972), (336, 59229), (378, 52648), (432, 46067), (504, 39486), (756, 26324), (1008, 19743), (1512, 13162), (3024, 6581)]