19504836

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 53936064

約数和(自身を除く): 34431228

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, 587, 639, 852, 923, 1174, 1278, 1761, 1846, 2348, 2556, 2769, 3522, 3692, 5283, 5538, 7044, 7631, 8307, 10566, 11076, 15262, 16614, 21132, 22893, 30524, 33228, 41677, 45786, 68679, 83354, 91572, 125031, 137358, 166708, 250062, 274716, 375093, 500124, 541801, 750186, 1083602, 1500372, 1625403, 2167204, 3250806, 4876209, 6501612, 9752418, 19504836]

約数ペア:

[(1, 19504836), (2, 9752418), (3, 6501612), (4, 4876209), (6, 3250806), (9, 2167204), (12, 1625403), (13, 1500372), (18, 1083602), (26, 750186), (36, 541801), (39, 500124), (52, 375093), (71, 274716), (78, 250062), (117, 166708), (142, 137358), (156, 125031), (213, 91572), (234, 83354), (284, 68679), (426, 45786), (468, 41677), (587, 33228), (639, 30524), (852, 22893), (923, 21132), (1174, 16614), (1278, 15262), (1761, 11076), (1846, 10566), (2348, 8307), (2556, 7631), (2769, 7044), (3522, 5538), (3692, 5283)]