19518460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1831}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 45243072

約数和(自身を除く): 25724612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1831, 2132, 2665, 3662, 5330, 7324, 9155, 10660, 18310, 23803, 36620, 47606, 75071, 95212, 119015, 150142, 238030, 300284, 375355, 476060, 750710, 975923, 1501420, 1951846, 3903692, 4879615, 9759230, 19518460]

約数ペア:

[(1, 19518460), (2, 9759230), (4, 4879615), (5, 3903692), (10, 1951846), (13, 1501420), (20, 975923), (26, 750710), (41, 476060), (52, 375355), (65, 300284), (82, 238030), (130, 150142), (164, 119015), (205, 95212), (260, 75071), (410, 47606), (533, 36620), (820, 23803), (1066, 18310), (1831, 10660), (2132, 9155), (2665, 7324), (3662, 5330)]