18832268

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 43570800

約数和(自身を除く): 24738532

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 389, 494, 532, 637, 778, 931, 988, 1274, 1556, 1729, 1862, 2548, 2723, 3458, 3724, 5057, 5446, 6916, 7391, 10114, 10892, 12103, 14782, 19061, 20228, 24206, 29564, 35399, 38122, 48412, 51737, 70798, 76244, 96083, 103474, 141596, 192166, 206948, 247793, 362159, 384332, 495586, 672581, 724318, 991172, 1345162, 1448636, 2690324, 4708067, 9416134, 18832268]

約数ペア:

[(1, 18832268), (2, 9416134), (4, 4708067), (7, 2690324), (13, 1448636), (14, 1345162), (19, 991172), (26, 724318), (28, 672581), (38, 495586), (49, 384332), (52, 362159), (76, 247793), (91, 206948), (98, 192166), (133, 141596), (182, 103474), (196, 96083), (247, 76244), (266, 70798), (364, 51737), (389, 48412), (494, 38122), (532, 35399), (637, 29564), (778, 24206), (931, 20228), (988, 19061), (1274, 14782), (1556, 12103), (1729, 10892), (1862, 10114), (2548, 7391), (2723, 6916), (3458, 5446), (3724, 5057)]