18780648

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 31400472

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 191, 204, 241, 382, 408, 482, 573, 723, 764, 964, 1146, 1446, 1528, 1928, 2292, 2892, 3247, 4097, 4584, 5784, 6494, 8194, 9741, 12291, 12988, 16388, 19482, 24582, 25976, 32776, 38964, 46031, 49164, 77928, 92062, 98328, 138093, 184124, 276186, 368248, 552372, 782527, 1104744, 1565054, 2347581, 3130108, 4695162, 6260216, 9390324, 18780648]

約数ペア:

[(1, 18780648), (2, 9390324), (3, 6260216), (4, 4695162), (6, 3130108), (8, 2347581), (12, 1565054), (17, 1104744), (24, 782527), (34, 552372), (51, 368248), (68, 276186), (102, 184124), (136, 138093), (191, 98328), (204, 92062), (241, 77928), (382, 49164), (408, 46031), (482, 38964), (573, 32776), (723, 25976), (764, 24582), (964, 19482), (1146, 16388), (1446, 12988), (1528, 12291), (1928, 9741), (2292, 8194), (2892, 6494), (3247, 5784), (4097, 4584)]