19555290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 36846630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 47, 54, 67, 69, 90, 94, 115, 134, 135, 138, 141, 201, 207, 230, 235, 270, 282, 335, 345, 402, 414, 423, 470, 603, 621, 670, 690, 705, 846, 1005, 1035, 1081, 1206, 1242, 1269, 1410, 1541, 1809, 2010, 2070, 2115, 2162, 2538, 3015, 3082, 3105, 3149, 3243, 3618, 4230, 4623, 5405, 6030, 6210, 6298, 6345, 6486, 7705, 9045, 9246, 9447, 9729, 10810, 12690, 13869, 15410, 15745, 16215, 18090, 18894, 19458, 23115, 27738, 28341, 29187, 31490, 32430, 41607, 46230, 47235, 48645, 56682, 58374, 69345, 72427, 83214, 85023, 94470, 97290, 138690, 141705, 144854, 145935, 170046, 208035, 217281, 283410, 291870, 362135, 416070, 425115, 434562, 651843, 724270, 850230, 1086405, 1303686, 1955529, 2172810, 3259215, 3911058, 6518430, 9777645, 19555290]

約数ペア:

[(1, 19555290), (2, 9777645), (3, 6518430), (5, 3911058), (6, 3259215), (9, 2172810), (10, 1955529), (15, 1303686), (18, 1086405), (23, 850230), (27, 724270), (30, 651843), (45, 434562), (46, 425115), (47, 416070), (54, 362135), (67, 291870), (69, 283410), (90, 217281), (94, 208035), (115, 170046), (134, 145935), (135, 144854), (138, 141705), (141, 138690), (201, 97290), (207, 94470), (230, 85023), (235, 83214), (270, 72427), (282, 69345), (335, 58374), (345, 56682), (402, 48645), (414, 47235), (423, 46230), (470, 41607), (603, 32430), (621, 31490), (670, 29187), (690, 28341), (705, 27738), (846, 23115), (1005, 19458), (1035, 18894), (1081, 18090), (1206, 16215), (1242, 15745), (1269, 15410), (1410, 13869), (1541, 12690), (1809, 10810), (2010, 9729), (2070, 9447), (2115, 9246), (2162, 9045), (2538, 7705), (3015, 6486), (3082, 6345), (3105, 6298), (3149, 6210), (3243, 6030), (3618, 5405), (4230, 4623)]