19986876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6101}}^1$

素因数の和:6131

約数の個数: 72

約数和(自身を含む): 62191584

約数和(自身を除く): 42204708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6101, 12202, 18303, 24404, 36606, 42707, 54909, 73212, 79313, 85414, 109818, 128121, 158626, 170828, 219636, 237939, 256242, 317252, 384363, 475878, 512484, 555191, 713817, 768726, 951756, 1110382, 1427634, 1537452, 1665573, 2220764, 2855268, 3331146, 4996719, 6662292, 9993438, 19986876]

約数ペア:

[(1, 19986876), (2, 9993438), (3, 6662292), (4, 4996719), (6, 3331146), (7, 2855268), (9, 2220764), (12, 1665573), (13, 1537452), (14, 1427634), (18, 1110382), (21, 951756), (26, 768726), (28, 713817), (36, 555191), (39, 512484), (42, 475878), (52, 384363), (63, 317252), (78, 256242), (84, 237939), (91, 219636), (117, 170828), (126, 158626), (156, 128121), (182, 109818), (234, 85414), (252, 79313), (273, 73212), (364, 54909), (468, 42707), (546, 36606), (819, 24404), (1092, 18303), (1638, 12202), (3276, 6101)]