19661418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 52700544

約数和(自身を除く): 33039126

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 67, 102, 119, 126, 134, 137, 153, 201, 238, 274, 306, 357, 402, 411, 469, 603, 714, 822, 938, 959, 1071, 1139, 1206, 1233, 1407, 1918, 2142, 2278, 2329, 2466, 2814, 2877, 3417, 4221, 4658, 5754, 6834, 6987, 7973, 8442, 8631, 9179, 10251, 13974, 15946, 16303, 17262, 18358, 20502, 20961, 23919, 27537, 32606, 41922, 47838, 48909, 55074, 64253, 71757, 82611, 97818, 128506, 143514, 146727, 156043, 165222, 192759, 293454, 312086, 385518, 468129, 578277, 936258, 1092301, 1156554, 1404387, 2184602, 2808774, 3276903, 6553806, 9830709, 19661418]

約数ペア:

[(1, 19661418), (2, 9830709), (3, 6553806), (6, 3276903), (7, 2808774), (9, 2184602), (14, 1404387), (17, 1156554), (18, 1092301), (21, 936258), (34, 578277), (42, 468129), (51, 385518), (63, 312086), (67, 293454), (102, 192759), (119, 165222), (126, 156043), (134, 146727), (137, 143514), (153, 128506), (201, 97818), (238, 82611), (274, 71757), (306, 64253), (357, 55074), (402, 48909), (411, 47838), (469, 41922), (603, 32606), (714, 27537), (822, 23919), (938, 20961), (959, 20502), (1071, 18358), (1139, 17262), (1206, 16303), (1233, 15946), (1407, 13974), (1918, 10251), (2142, 9179), (2278, 8631), (2329, 8442), (2466, 7973), (2814, 6987), (2877, 6834), (3417, 5754), (4221, 4658)]