18744488

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 43008000

約数和(自身を除く): 24263512

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 79, 133, 152, 158, 223, 266, 316, 446, 532, 553, 632, 892, 1064, 1106, 1501, 1561, 1784, 2212, 3002, 3122, 4237, 4424, 6004, 6244, 8474, 10507, 12008, 12488, 16948, 17617, 21014, 29659, 33896, 35234, 42028, 59318, 70468, 84056, 118636, 123319, 140936, 237272, 246638, 334723, 493276, 669446, 986552, 1338892, 2343061, 2677784, 4686122, 9372244, 18744488]

約数ペア:

[(1, 18744488), (2, 9372244), (4, 4686122), (7, 2677784), (8, 2343061), (14, 1338892), (19, 986552), (28, 669446), (38, 493276), (56, 334723), (76, 246638), (79, 237272), (133, 140936), (152, 123319), (158, 118636), (223, 84056), (266, 70468), (316, 59318), (446, 42028), (532, 35234), (553, 33896), (632, 29659), (892, 21014), (1064, 17617), (1106, 16948), (1501, 12488), (1561, 12008), (1784, 10507), (2212, 8474), (3002, 6244), (3122, 6004), (4237, 4424)]