19489740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 59028480

約数和(自身を除く): 39538740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 58, 60, 69, 87, 92, 115, 116, 138, 145, 174, 230, 276, 290, 345, 348, 435, 460, 487, 580, 667, 690, 870, 974, 1334, 1380, 1461, 1740, 1948, 2001, 2435, 2668, 2922, 3335, 4002, 4870, 5844, 6670, 7305, 8004, 9740, 10005, 11201, 13340, 14123, 14610, 20010, 22402, 28246, 29220, 33603, 40020, 42369, 44804, 56005, 56492, 67206, 70615, 84738, 112010, 134412, 141230, 168015, 169476, 211845, 224020, 282460, 324829, 336030, 423690, 649658, 672060, 847380, 974487, 1299316, 1624145, 1948974, 3248290, 3897948, 4872435, 6496580, 9744870, 19489740]

約数ペア:

[(1, 19489740), (2, 9744870), (3, 6496580), (4, 4872435), (5, 3897948), (6, 3248290), (10, 1948974), (12, 1624145), (15, 1299316), (20, 974487), (23, 847380), (29, 672060), (30, 649658), (46, 423690), (58, 336030), (60, 324829), (69, 282460), (87, 224020), (92, 211845), (115, 169476), (116, 168015), (138, 141230), (145, 134412), (174, 112010), (230, 84738), (276, 70615), (290, 67206), (345, 56492), (348, 56005), (435, 44804), (460, 42369), (487, 40020), (580, 33603), (667, 29220), (690, 28246), (870, 22402), (974, 20010), (1334, 14610), (1380, 14123), (1461, 13340), (1740, 11201), (1948, 10005), (2001, 9740), (2435, 8004), (2668, 7305), (2922, 6670), (3335, 5844), (4002, 4870)]