19684035

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 40547520

約数和(自身を除く): 20863485

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 79, 105, 113, 147, 237, 245, 315, 339, 395, 441, 553, 565, 711, 735, 791, 1017, 1185, 1659, 1695, 2205, 2373, 2765, 3555, 3871, 3955, 4977, 5085, 5537, 7119, 8295, 8927, 11613, 11865, 16611, 19355, 24885, 26781, 27685, 34839, 35595, 44635, 49833, 58065, 62489, 80343, 83055, 133905, 174195, 187467, 249165, 312445, 401715, 437423, 562401, 937335, 1312269, 2187115, 2812005, 3936807, 6561345, 19684035]

約数ペア:

[(1, 19684035), (3, 6561345), (5, 3936807), (7, 2812005), (9, 2187115), (15, 1312269), (21, 937335), (35, 562401), (45, 437423), (49, 401715), (63, 312445), (79, 249165), (105, 187467), (113, 174195), (147, 133905), (237, 83055), (245, 80343), (315, 62489), (339, 58065), (395, 49833), (441, 44635), (553, 35595), (565, 34839), (711, 27685), (735, 26781), (791, 24885), (1017, 19355), (1185, 16611), (1659, 11865), (1695, 11613), (2205, 8927), (2373, 8295), (2765, 7119), (3555, 5537), (3871, 5085), (3955, 4977)]