19748628

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 108

約数和(自身を含む): 56160468

約数和(自身を除く): 36411840

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 61, 68, 69, 92, 102, 122, 138, 153, 183, 204, 207, 244, 276, 306, 366, 391, 414, 529, 549, 612, 732, 782, 828, 1037, 1058, 1098, 1173, 1403, 1564, 1587, 2074, 2116, 2196, 2346, 2806, 3111, 3174, 3519, 4148, 4209, 4692, 4761, 5612, 6222, 6348, 7038, 8418, 8993, 9333, 9522, 12444, 12627, 14076, 16836, 17986, 18666, 19044, 23851, 25254, 26979, 32269, 35972, 37332, 47702, 50508, 53958, 64538, 71553, 80937, 95404, 96807, 107916, 129076, 143106, 161874, 193614, 214659, 286212, 290421, 323748, 387228, 429318, 548573, 580842, 858636, 1097146, 1161684, 1645719, 2194292, 3291438, 4937157, 6582876, 9874314, 19748628]

約数ペア:

[(1, 19748628), (2, 9874314), (3, 6582876), (4, 4937157), (6, 3291438), (9, 2194292), (12, 1645719), (17, 1161684), (18, 1097146), (23, 858636), (34, 580842), (36, 548573), (46, 429318), (51, 387228), (61, 323748), (68, 290421), (69, 286212), (92, 214659), (102, 193614), (122, 161874), (138, 143106), (153, 129076), (183, 107916), (204, 96807), (207, 95404), (244, 80937), (276, 71553), (306, 64538), (366, 53958), (391, 50508), (414, 47702), (529, 37332), (549, 35972), (612, 32269), (732, 26979), (782, 25254), (828, 23851), (1037, 19044), (1058, 18666), (1098, 17986), (1173, 16836), (1403, 14076), (1564, 12627), (1587, 12444), (2074, 9522), (2116, 9333), (2196, 8993), (2346, 8418), (2806, 7038), (3111, 6348), (3174, 6222), (3519, 5612), (4148, 4761), (4209, 4692)]