18780053432

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4040459}}^1$

素因数の和:4040555

約数の個数: 32

約数和(自身を含む): 40727836800

約数和(自身を除く): 21947783368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 4040459, 8080918, 16161836, 28283213, 32323672, 56566426, 113132852, 226265704, 335358097, 670716194, 1341432388, 2347506679, 2682864776, 4695013358, 9390026716, 18780053432]

約数ペア:

[(1, 18780053432), (2, 9390026716), (4, 4695013358), (7, 2682864776), (8, 2347506679), (14, 1341432388), (28, 670716194), (56, 335358097), (83, 226265704), (166, 113132852), (332, 56566426), (581, 32323672), (664, 28283213), (1162, 16161836), (2324, 8080918), (4648, 4040459)]