19787796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 43111404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 31, 34, 36, 42, 51, 62, 63, 68, 84, 93, 102, 119, 124, 126, 149, 153, 186, 204, 217, 238, 252, 279, 298, 306, 357, 372, 434, 447, 476, 527, 558, 596, 612, 651, 714, 868, 894, 1043, 1054, 1071, 1116, 1302, 1341, 1428, 1581, 1788, 1953, 2086, 2108, 2142, 2533, 2604, 2682, 3129, 3162, 3689, 3906, 4172, 4284, 4619, 4743, 5066, 5364, 6258, 6324, 7378, 7599, 7812, 9238, 9387, 9486, 10132, 11067, 12516, 13857, 14756, 15198, 17731, 18476, 18774, 18972, 22134, 22797, 27714, 30396, 32333, 33201, 35462, 37548, 41571, 44268, 45594, 53193, 55428, 64666, 66402, 70924, 78523, 83142, 91188, 96999, 106386, 129332, 132804, 157046, 159579, 166284, 193998, 212772, 235569, 290997, 314092, 319158, 387996, 471138, 549661, 581994, 638316, 706707, 942276, 1099322, 1163988, 1413414, 1648983, 2198644, 2826828, 3297966, 4946949, 6595932, 9893898, 19787796]

約数ペア:

[(1, 19787796), (2, 9893898), (3, 6595932), (4, 4946949), (6, 3297966), (7, 2826828), (9, 2198644), (12, 1648983), (14, 1413414), (17, 1163988), (18, 1099322), (21, 942276), (28, 706707), (31, 638316), (34, 581994), (36, 549661), (42, 471138), (51, 387996), (62, 319158), (63, 314092), (68, 290997), (84, 235569), (93, 212772), (102, 193998), (119, 166284), (124, 159579), (126, 157046), (149, 132804), (153, 129332), (186, 106386), (204, 96999), (217, 91188), (238, 83142), (252, 78523), (279, 70924), (298, 66402), (306, 64666), (357, 55428), (372, 53193), (434, 45594), (447, 44268), (476, 41571), (527, 37548), (558, 35462), (596, 33201), (612, 32333), (651, 30396), (714, 27714), (868, 22797), (894, 22134), (1043, 18972), (1054, 18774), (1071, 18476), (1116, 17731), (1302, 15198), (1341, 14756), (1428, 13857), (1581, 12516), (1788, 11067), (1953, 10132), (2086, 9486), (2108, 9387), (2142, 9238), (2533, 7812), (2604, 7599), (2682, 7378), (3129, 6324), (3162, 6258), (3689, 5364), (3906, 5066), (4172, 4743), (4284, 4619)]