19989590110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{95731}}^1$

素因数の和:95921

約数の個数: 64

約数和(自身を含む): 43561889280

約数和(自身を除く): 23572299170

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 157, 190, 266, 314, 665, 785, 1099, 1330, 1570, 2198, 2983, 5495, 5966, 10990, 14915, 20881, 29830, 41762, 95731, 104405, 191462, 208810, 478655, 670117, 957310, 1340234, 1818889, 3350585, 3637778, 6701170, 9094445, 12732223, 15029767, 18188890, 25464446, 30059534, 63661115, 75148835, 105208369, 127322230, 150297670, 210416738, 285565573, 526041845, 571131146, 1052083690, 1427827865, 1998959011, 2855655730, 3997918022, 9994795055, 19989590110]

約数ペア:

[(1, 19989590110), (2, 9994795055), (5, 3997918022), (7, 2855655730), (10, 1998959011), (14, 1427827865), (19, 1052083690), (35, 571131146), (38, 526041845), (70, 285565573), (95, 210416738), (133, 150297670), (157, 127322230), (190, 105208369), (266, 75148835), (314, 63661115), (665, 30059534), (785, 25464446), (1099, 18188890), (1330, 15029767), (1570, 12732223), (2198, 9094445), (2983, 6701170), (5495, 3637778), (5966, 3350585), (10990, 1818889), (14915, 1340234), (20881, 957310), (29830, 670117), (41762, 478655), (95731, 208810), (104405, 191462)]