19695438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{433}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 51590448

約数和(自身を除く): 31895010

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 361, 399, 433, 722, 798, 866, 1083, 1197, 1299, 2166, 2394, 2527, 2598, 3031, 3249, 3897, 5054, 6062, 6498, 7581, 7794, 8227, 9093, 15162, 16454, 18186, 22743, 24681, 27279, 45486, 49362, 54558, 57589, 74043, 115178, 148086, 156313, 172767, 312626, 345534, 468939, 518301, 937878, 1036602, 1094191, 1406817, 2188382, 2813634, 3282573, 6565146, 9847719, 19695438]

約数ペア:

[(1, 19695438), (2, 9847719), (3, 6565146), (6, 3282573), (7, 2813634), (9, 2188382), (14, 1406817), (18, 1094191), (19, 1036602), (21, 937878), (38, 518301), (42, 468939), (57, 345534), (63, 312626), (114, 172767), (126, 156313), (133, 148086), (171, 115178), (266, 74043), (342, 57589), (361, 54558), (399, 49362), (433, 45486), (722, 27279), (798, 24681), (866, 22743), (1083, 18186), (1197, 16454), (1299, 15162), (2166, 9093), (2394, 8227), (2527, 7794), (2598, 7581), (3031, 6498), (3249, 6062), (3897, 5054)]