18756972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{3083}}^1$

素因数の和:3119

約数の個数: 54

約数和(自身を含む): 51357852

約数和(自身を除く): 32600880

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 3083, 6084, 6166, 9249, 12332, 18498, 27747, 36996, 40079, 55494, 80158, 110988, 120237, 160316, 240474, 360711, 480948, 521027, 721422, 1042054, 1442844, 1563081, 2084108, 3126162, 4689243, 6252324, 9378486, 18756972]

約数ペア:

[(1, 18756972), (2, 9378486), (3, 6252324), (4, 4689243), (6, 3126162), (9, 2084108), (12, 1563081), (13, 1442844), (18, 1042054), (26, 721422), (36, 521027), (39, 480948), (52, 360711), (78, 240474), (117, 160316), (156, 120237), (169, 110988), (234, 80158), (338, 55494), (468, 40079), (507, 36996), (676, 27747), (1014, 18498), (1521, 12332), (2028, 9249), (3042, 6166), (3083, 6084)]