18425784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 50349600

約数和(自身を除く): 31923816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 146, 156, 219, 292, 312, 438, 584, 809, 876, 949, 1618, 1752, 1898, 2427, 2847, 3236, 3796, 4854, 5694, 6472, 7592, 9708, 10517, 11388, 19416, 21034, 22776, 31551, 42068, 59057, 63102, 84136, 118114, 126204, 177171, 236228, 252408, 354342, 472456, 708684, 767741, 1417368, 1535482, 2303223, 3070964, 4606446, 6141928, 9212892, 18425784]

約数ペア:

[(1, 18425784), (2, 9212892), (3, 6141928), (4, 4606446), (6, 3070964), (8, 2303223), (12, 1535482), (13, 1417368), (24, 767741), (26, 708684), (39, 472456), (52, 354342), (73, 252408), (78, 236228), (104, 177171), (146, 126204), (156, 118114), (219, 84136), (292, 63102), (312, 59057), (438, 42068), (584, 31551), (809, 22776), (876, 21034), (949, 19416), (1618, 11388), (1752, 10517), (1898, 9708), (2427, 7592), (2847, 6472), (3236, 5694), (3796, 4854)]