19388772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2437}}^1$

素因数の和:2477

約数の個数: 72

約数和(自身を含む): 55908216

約数和(自身を除く): 36519444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2437, 2652, 3978, 4874, 7311, 7956, 9748, 14622, 21933, 29244, 31681, 41429, 43866, 63362, 82858, 87732, 95043, 124287, 126724, 165716, 190086, 248574, 285129, 372861, 380172, 497148, 538577, 570258, 745722, 1077154, 1140516, 1491444, 1615731, 2154308, 3231462, 4847193, 6462924, 9694386, 19388772]

約数ペア:

[(1, 19388772), (2, 9694386), (3, 6462924), (4, 4847193), (6, 3231462), (9, 2154308), (12, 1615731), (13, 1491444), (17, 1140516), (18, 1077154), (26, 745722), (34, 570258), (36, 538577), (39, 497148), (51, 380172), (52, 372861), (68, 285129), (78, 248574), (102, 190086), (117, 165716), (153, 126724), (156, 124287), (204, 95043), (221, 87732), (234, 82858), (306, 63362), (442, 43866), (468, 41429), (612, 31681), (663, 29244), (884, 21933), (1326, 14622), (1989, 9748), (2437, 7956), (2652, 7311), (3978, 4874)]