18063320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 45131040

約数和(自身を除く): 27067720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 673, 1220, 1342, 1346, 2440, 2684, 2692, 3355, 3365, 5368, 5384, 6710, 6730, 7403, 13420, 13460, 14806, 26840, 26920, 29612, 37015, 41053, 59224, 74030, 82106, 148060, 164212, 205265, 296120, 328424, 410530, 451583, 821060, 903166, 1642120, 1806332, 2257915, 3612664, 4515830, 9031660, 18063320]

約数ペア:

[(1, 18063320), (2, 9031660), (4, 4515830), (5, 3612664), (8, 2257915), (10, 1806332), (11, 1642120), (20, 903166), (22, 821060), (40, 451583), (44, 410530), (55, 328424), (61, 296120), (88, 205265), (110, 164212), (122, 148060), (220, 82106), (244, 74030), (305, 59224), (440, 41053), (488, 37015), (610, 29612), (671, 26920), (673, 26840), (1220, 14806), (1342, 13460), (1346, 13420), (2440, 7403), (2684, 6730), (2692, 6710), (3355, 5384), (3365, 5368)]