18744648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 51219840

約数和(自身を除く): 32475192

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, 823, 876, 949, 1646, 1752, 1898, 2469, 2847, 3292, 3796, 4938, 5694, 6584, 7592, 9876, 10699, 11388, 19752, 21398, 22776, 32097, 42796, 60079, 64194, 85592, 120158, 128388, 180237, 240316, 256776, 360474, 480632, 720948, 781027, 1441896, 1562054, 2343081, 3124108, 4686162, 6248216, 9372324, 18744648]

約数ペア:

[(1, 18744648), (2, 9372324), (3, 6248216), (4, 4686162), (6, 3124108), (8, 2343081), (12, 1562054), (13, 1441896), (24, 781027), (26, 720948), (39, 480632), (52, 360474), (73, 256776), (78, 240316), (104, 180237), (146, 128388), (156, 120158), (219, 85592), (292, 64194), (312, 60079), (438, 42796), (584, 32097), (823, 22776), (876, 21398), (949, 19752), (1646, 11388), (1752, 10699), (1898, 9876), (2469, 7592), (2847, 6584), (3292, 5694), (3796, 4938)]