19172556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 53018784

約数和(自身を除く): 33846228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 577, 639, 852, 923, 1154, 1278, 1731, 1846, 2308, 2556, 2769, 3462, 3692, 5193, 5538, 6924, 7501, 8307, 10386, 11076, 15002, 16614, 20772, 22503, 30004, 33228, 40967, 45006, 67509, 81934, 90012, 122901, 135018, 163868, 245802, 270036, 368703, 491604, 532571, 737406, 1065142, 1474812, 1597713, 2130284, 3195426, 4793139, 6390852, 9586278, 19172556]

約数ペア:

[(1, 19172556), (2, 9586278), (3, 6390852), (4, 4793139), (6, 3195426), (9, 2130284), (12, 1597713), (13, 1474812), (18, 1065142), (26, 737406), (36, 532571), (39, 491604), (52, 368703), (71, 270036), (78, 245802), (117, 163868), (142, 135018), (156, 122901), (213, 90012), (234, 81934), (284, 67509), (426, 45006), (468, 40967), (577, 33228), (639, 30004), (852, 22503), (923, 20772), (1154, 16614), (1278, 15002), (1731, 11076), (1846, 10386), (2308, 8307), (2556, 7501), (2769, 6924), (3462, 5538), (3692, 5193)]