19337240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 48051360

約数和(自身を除く): 28714120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 907, 1066, 1640, 1814, 2132, 2665, 3628, 4264, 4535, 5330, 7256, 9070, 10660, 11791, 18140, 21320, 23582, 36280, 37187, 47164, 58955, 74374, 94328, 117910, 148748, 185935, 235820, 297496, 371870, 471640, 483431, 743740, 966862, 1487480, 1933724, 2417155, 3867448, 4834310, 9668620, 19337240]

約数ペア:

[(1, 19337240), (2, 9668620), (4, 4834310), (5, 3867448), (8, 2417155), (10, 1933724), (13, 1487480), (20, 966862), (26, 743740), (40, 483431), (41, 471640), (52, 371870), (65, 297496), (82, 235820), (104, 185935), (130, 148748), (164, 117910), (205, 94328), (260, 74374), (328, 58955), (410, 47164), (520, 37187), (533, 36280), (820, 23582), (907, 21320), (1066, 18140), (1640, 11791), (1814, 10660), (2132, 9070), (2665, 7256), (3628, 5330), (4264, 4535)]