19992476

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 42872256

約数和(自身を除く): 22879780

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 97, 119, 194, 238, 388, 433, 476, 679, 866, 1358, 1649, 1732, 2716, 3031, 3298, 6062, 6596, 7361, 11543, 12124, 14722, 23086, 29444, 42001, 46172, 51527, 84002, 103054, 168004, 206108, 294007, 588014, 714017, 1176028, 1428034, 2856068, 4998119, 9996238, 19992476]

約数ペア:

[(1, 19992476), (2, 9996238), (4, 4998119), (7, 2856068), (14, 1428034), (17, 1176028), (28, 714017), (34, 588014), (68, 294007), (97, 206108), (119, 168004), (194, 103054), (238, 84002), (388, 51527), (433, 46172), (476, 42001), (679, 29444), (866, 23086), (1358, 14722), (1649, 12124), (1732, 11543), (2716, 7361), (3031, 6596), (3298, 6062)]