19802464705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 26362195200

約数和(自身を除く): 6559730495

約数列:

[1, 5, 17, 43, 59, 85, 215, 229, 295, 401, 731, 1003, 1145, 2005, 2537, 3655, 3893, 5015, 6817, 9847, 12685, 13511, 17243, 19465, 23659, 34085, 43129, 49235, 67555, 86215, 91829, 118295, 167399, 215645, 229687, 293131, 402203, 459145, 580973, 836995, 1017337, 1148435, 1465655, 1561093, 2011015, 2904865, 3948647, 5086685, 5417911, 7805465, 9876541, 17294729, 19743235, 27089555, 49382705, 67126999, 86473645, 92104487, 232970173, 335634995, 460522435, 1164850865, 3960492941, 19802464705]

約数ペア:

[(1, 19802464705), (5, 3960492941), (17, 1164850865), (43, 460522435), (59, 335634995), (85, 232970173), (215, 92104487), (229, 86473645), (295, 67126999), (401, 49382705), (731, 27089555), (1003, 19743235), (1145, 17294729), (2005, 9876541), (2537, 7805465), (3655, 5417911), (3893, 5086685), (5015, 3948647), (6817, 2904865), (9847, 2011015), (12685, 1561093), (13511, 1465655), (17243, 1148435), (19465, 1017337), (23659, 836995), (34085, 580973), (43129, 459145), (49235, 402203), (67555, 293131), (86215, 229687), (91829, 215645), (118295, 167399)]